25030137465 has 24 divisors (see below), whose sum is σ = 43508504520. Its totient is φ = 13311581184.

The previous prime is 25030137401. The next prime is 25030137469. The reversal of 25030137465 is 56473103052.

25030137465 is a `hidden beast` number, since 250 + 30 + 1 + 374 + 6 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1519128576 + 23511008889 = 38976^2 + 153333^2 .

It is not a de Polignac number, because 25030137465 - 2⁶ = 25030137401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25030137469) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 771970 + ... + 803739.

It is an arithmetic number, because the mean of its divisors is an integer number (1812854355).

Almost surely, 2^25030137465 is an apocalyptic number.

It is an amenable number.

25030137465 is a deficient number, since it is larger than the sum of its proper divisors (18478367055).

25030137465 is a wasteful number, since it uses less digits than its factorization.

25030137465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576073 (or 1576070 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The spelling of 25030137465 in words is "twenty-five billion, thirty million, one hundred thirty-seven thousand, four hundred sixty-five".