25057011 has 16 divisors (see below), whose sum is σ = 38348288. Its totient is φ = 14256000.

The previous prime is 25057001. The next prime is 25057013. The reversal of 25057011 is 11075052.

It is not a de Polignac number, because 25057011 - 2⁵ = 25056979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25057013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2586 + ... + 7536.

It is an arithmetic number, because the mean of its divisors is an integer number (2396768).

Almost surely, 2^25057011 is an apocalyptic number.

25057011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

25057011 is a deficient number, since it is larger than the sum of its proper divisors (13291277).

25057011 is a wasteful number, since it uses less digits than its factorization.

25057011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5202.

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 25057011 is about 5005.6978534466. The cubic root of 25057011 is about 292.6238733123.

The spelling of 25057011 in words is "twenty-five million, fifty-seven thousand, eleven".