25350537 has 4 divisors (see below), whose sum is σ = 33800720. Its totient is φ = 16900356.

The previous prime is 25350527. The next prime is 25350539. The reversal of 25350537 is 73505352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 25350537 - 2¹² = 25346441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25350539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4225087 + ... + 4225092.

It is an arithmetic number, because the mean of its divisors is an integer number (8450180).

Almost surely, 2^25350537 is an apocalyptic number.

It is an amenable number.

25350537 is a deficient number, since it is larger than the sum of its proper divisors (8450183).

25350537 is an equidigital number, since it uses as much as digits as its factorization.

25350537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8450182.

The product of its (nonzero) digits is 15750, while the sum is 30.

The square root of 25350537 is about 5034.9316777887. The cubic root of 25350537 is about 293.7620709088.

Adding to 25350537 its reverse (73505352), we get a palindrome (98855889).

The spelling of 25350537 in words is "twenty-five million, three hundred fifty thousand, five hundred thirty-seven".