25364537 has 16 divisors (see below), whose sum is σ = 28698624. Its totient is φ = 22218000.

The previous prime is 25364533. The next prime is 25364543. The reversal of 25364537 is 73546352.

It is a cyclic number.

It is not a de Polignac number, because 25364537 - 2² = 25364533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25364497 and 25364506.

It is not an unprimeable number, because it can be changed into a prime (25364533) 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, 36362 + ... + 37052.

It is an arithmetic number, because the mean of its divisors is an integer number (1793664).

Almost surely, 2^25364537 is an apocalyptic number.

It is an amenable number.

25364537 is a deficient number, since it is larger than the sum of its proper divisors (3334087).

25364537 is a wasteful number, since it uses less digits than its factorization.

25364537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820.

The product of its digits is 75600, while the sum is 35.

The square root of 25364537 is about 5036.3217728815. The cubic root of 25364537 is about 293.8161382992.

The spelling of 25364537 in words is "twenty-five million, three hundred sixty-four thousand, five hundred thirty-seven".