25329057 has 16 divisors (see below), whose sum is σ = 36597120. Its totient is φ = 15489792.

The previous prime is 25329047. The next prime is 25329061. The reversal of 25329057 is 75092352.

It is not a de Polignac number, because 25329057 - 2⁶ = 25328993 is a prime.

It is a super-4 number, since 4×25329057⁴ (a number of 31 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (25329047) 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, 4569 + ... + 8457.

It is an arithmetic number, because the mean of its divisors is an integer number (2287320).

Almost surely, 2^25329057 is an apocalyptic number.

It is an amenable number.

25329057 is a deficient number, since it is larger than the sum of its proper divisors (11268063).

25329057 is a wasteful number, since it uses less digits than its factorization.

25329057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4072.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 25329057 is about 5032.7981282781. The cubic root of 25329057 is about 293.6790773701.

The spelling of 25329057 in words is "twenty-five million, three hundred twenty-nine thousand, fifty-seven".