425162682025 has 9 divisors (see below), whose sum is σ = 527205768421. Its totient is φ = 340127537440.

The previous prime is 425162681969. The next prime is 425162682071. The reversal of 425162682025 is 520286261524.

It is a happy number.

The square root of 425162682025 is 652045.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2875855129 + 422286826896 = 53627^2 + 649836^2 .

It is not a de Polignac number, because 425162682025 - 2⁷ = 425162681897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3195021 + ... + 3325429.

Almost surely, 2^425162682025 is an apocalyptic number.

425162682025 is the 652045-th square number.

425162682025 is the 326023-rd centered octagonal number.

It is an amenable number.

425162682025 is a deficient number, since it is larger than the sum of its proper divisors (102043086396).

425162682025 is an frugal number, since it uses more digits than its factorization.

425162682025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260828 (or 130414 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 43.

The spelling of 425162682025 in words is "four hundred twenty-five billion, one hundred sixty-two million, six hundred eighty-two thousand, twenty-five".