25031002 has 16 divisors (see below), whose sum is σ = 39074400. Its totient is φ = 12011440.

The previous prime is 25030997. The next prime is 25031003. The reversal of 25031002 is 20013052.

It is a super-2 number, since 2×25031002² = 1253102122248008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25031003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9177 + ... + 11587.

It is an arithmetic number, because the mean of its divisors is an integer number (2442150).

Almost surely, 2^25031002 is an apocalyptic number.

25031002 is a deficient number, since it is larger than the sum of its proper divisors (14043398).

25031002 is a wasteful number, since it uses less digits than its factorization.

25031002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2621.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 25031002 is about 5003.0992394715. The cubic root of 25031002 is about 292.5225910912.

Adding to 25031002 its reverse (20013052), we get a palindrome (45044054).

The spelling of 25031002 in words is "twenty-five million, thirty-one thousand, two".