25072002 has 12 divisors (see below), whose sum is σ = 54322710. Its totient is φ = 8357328.

The previous prime is 25071983. The next prime is 25072013. The reversal of 25072002 is 20027052.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 25010001 + 62001 = 5001^2 + 249^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1392889 = 25072002 / (2 + 5 + 0 + 7 + 2 + 0 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 696427 + ... + 696462.

Almost surely, 2^25072002 is an apocalyptic number.

25072002 is an abundant number, since it is smaller than the sum of its proper divisors (29250708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25072002 is a wasteful number, since it uses less digits than its factorization.

25072002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392897 (or 1392894 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 25072002 is about 5007.1950231642. The cubic root of 25072002 is about 292.6822182595.

Adding to 25072002 its reverse (20027052), we get a palindrome (45099054).

The spelling of 25072002 in words is "twenty-five million, seventy-two thousand, two".