25457000258 has 16 divisors (see below), whose sum is σ = 39222814464. Its totient is φ = 12382821360.

The previous prime is 25457000243. The next prime is 25457000273. The reversal of 25457000258 is 85200075452.

It is an interprime number because it is at equal distance from previous prime (25457000243) and next prime (25457000273).

It is a Curzon 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, 670541 + ... + 707487.

It is an arithmetic number, because the mean of its divisors is an integer number (2451425904).

Almost surely, 2^25457000258 is an apocalyptic number.

25457000258 is a deficient number, since it is larger than the sum of its proper divisors (13765814206).

25457000258 is a wasteful number, since it uses less digits than its factorization.

25457000258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46297.

The product of its (nonzero) digits is 112000, while the sum is 38.

The spelling of 25457000258 in words is "twenty-five billion, four hundred fifty-seven million, two hundred fifty-eight", and thus it is an aban number.