1254891413 has 4 divisors (see below), whose sum is σ = 1261197600. Its totient is φ = 1248585228.

The previous prime is 1254891409. The next prime is 1254891433. The reversal of 1254891413 is 3141984521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1254891413 - 2² = 1254891409 is a prime.

It is a super-2 number, since 2×1254891413² = 3149504916842273138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254891433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3152795 + ... + 3153192.

It is an arithmetic number, because the mean of its divisors is an integer number (315299400).

Almost surely, 2^1254891413 is an apocalyptic number.

It is an amenable number.

1254891413 is a deficient number, since it is larger than the sum of its proper divisors (6306187).

1254891413 is an equidigital number, since it uses as much as digits as its factorization.

1254891413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6306186.

The product of its digits is 34560, while the sum is 38.

The square root of 1254891413 is about 35424.4465447239. The cubic root of 1254891413 is about 1078.6206135270.

The spelling of 1254891413 in words is "one billion, two hundred fifty-four million, eight hundred ninety-one thousand, four hundred thirteen".