2545261422 has 16 divisors (see below), whose sum is σ = 5553297792. Its totient is φ = 771291320.

The previous prime is 2545261399. The next prime is 2545261501. The reversal of 2545261422 is 2241625452.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19282218 + ... + 19282349.

It is an arithmetic number, because the mean of its divisors is an integer number (347081112).

Almost surely, 2^2545261422 is an apocalyptic number.

2545261422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2545261422 is an abundant number, since it is smaller than the sum of its proper divisors (3008036370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2545261422 is a wasteful number, since it uses less digits than its factorization.

2545261422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38564583.

The product of its digits is 38400, while the sum is 33.

The square root of 2545261422 is about 50450.5839609414. The cubic root of 2545261422 is about 1365.3504307646.

Adding to 2545261422 its reverse (2241625452), we get a palindrome (4786886874).

The spelling of 2545261422 in words is "two billion, five hundred forty-five million, two hundred sixty-one thousand, four hundred twenty-two".