25287470945 has 32 divisors (see below), whose sum is σ = 33361908480. Its totient is φ = 18247680000.

The previous prime is 25287470927. The next prime is 25287470963. The reversal of 25287470945 is 54907478252.

It is an interprime number because it is at equal distance from previous prime (25287470927) and next prime (25287470963).

It is not a de Polignac number, because 25287470945 - 2¹⁴ = 25287454561 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11700665 + ... + 11702825.

It is an arithmetic number, because the mean of its divisors is an integer number (1042559640).

Almost surely, 2^25287470945 is an apocalyptic number.

It is an amenable number.

25287470945 is a deficient number, since it is larger than the sum of its proper divisors (8074437535).

25287470945 is a wasteful number, since it uses less digits than its factorization.

25287470945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3737.

The product of its (nonzero) digits is 5644800, while the sum is 53.

The spelling of 25287470945 in words is "twenty-five billion, two hundred eighty-seven million, four hundred seventy thousand, nine hundred forty-five".