245875438251 has 16 divisors (see below), whose sum is σ = 365446435200. Its totient is φ = 163383021864.

The previous prime is 245875438217. The next prime is 245875438261. The reversal of 245875438251 is 152834578542.

It is a happy number.

245875438251 is a `hidden beast` number, since 2 + 4 + 587 + 5 + 4 + 3 + 8 + 2 + 51 = 666.

It is not a de Polignac number, because 245875438251 - 2¹¹ = 245875436203 is a prime.

It is a super-2 number, since 2×245875438251² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245875438261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14823141 + ... + 14839718.

It is an arithmetic number, because the mean of its divisors is an integer number (22840402200).

Almost surely, 2^245875438251 is an apocalyptic number.

245875438251 is a deficient number, since it is larger than the sum of its proper divisors (119570996949).

245875438251 is a wasteful number, since it uses less digits than its factorization.

245875438251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29663175 (or 29663169 counting only the distinct ones).

The product of its digits is 10752000, while the sum is 54.

The spelling of 245875438251 in words is "two hundred forty-five billion, eight hundred seventy-five million, four hundred thirty-eight thousand, two hundred fifty-one".