25128962 has 4 divisors (see below), whose sum is σ = 37693446. Its totient is φ = 12564480.

The previous prime is 25128947. The next prime is 25128977. The reversal of 25128962 is 26982152.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (25128947) and next prime (25128977).

It can be written as a sum of positive squares in only one way, i.e., 19704721 + 5424241 = 4439^2 + 2329^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6282239 + ... + 6282242.

Almost surely, 2^25128962 is an apocalyptic number.

25128962 is a deficient number, since it is larger than the sum of its proper divisors (12564484).

25128962 is a wasteful number, since it uses less digits than its factorization.

25128962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12564483.

The product of its digits is 17280, while the sum is 35.

The square root of 25128962 is about 5012.8796115606. The cubic root of 25128962 is about 292.9036946593.

The spelling of 25128962 in words is "twenty-five million, one hundred twenty-eight thousand, nine hundred sixty-two".