1351166025 has 24 divisors (see below), whose sum is σ = 2437013664. Its totient is φ = 655110400.

The previous prime is 1351165957. The next prime is 1351166087. The reversal of 1351166025 is 5206611531.

It is not a de Polignac number, because 1351166025 - 2⁸ = 1351165769 is a prime.

It is a super-2 number, since 2×1351166025² = 3651299254228601250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1351165983 and 1351166001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 818064 + ... + 819713.

It is an arithmetic number, because the mean of its divisors is an integer number (101542236).

Almost surely, 2^1351166025 is an apocalyptic number.

1351166025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1351166025 is a deficient number, since it is larger than the sum of its proper divisors (1085847639).

1351166025 is a wasteful number, since it uses less digits than its factorization.

1351166025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637801 (or 1637796 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1351166025 is about 36758.2103073585. The cubic root of 1351166025 is about 1105.5275560118.

Adding to 1351166025 its reverse (5206611531), we get a palindrome (6557777556).

It can be divided in two parts, 135116 and 6025, that added together give a palindrome (141141).

The spelling of 1351166025 in words is "one billion, three hundred fifty-one million, one hundred sixty-six thousand, twenty-five".