2525717156 has 6 divisors (see below), whose sum is σ = 4420005030. Its totient is φ = 1262858576.

The previous prime is 2525717143. The next prime is 2525717167. The reversal of 2525717156 is 6517175252.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1764840100 + 760877056 = 42010^2 + 27584^2 .

It is a super-2 number, since 2×2525717156² = 12758494304225456672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315714641 + ... + 315714648.

It is an arithmetic number, because the mean of its divisors is an integer number (736667505).

Almost surely, 2^2525717156 is an apocalyptic number.

It is an amenable number.

2525717156 is a deficient number, since it is larger than the sum of its proper divisors (1894287874).

2525717156 is a wasteful number, since it uses less digits than its factorization.

2525717156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631429293 (or 631429291 counting only the distinct ones).

The product of its digits is 147000, while the sum is 41.

The square root of 2525717156 is about 50256.5135678949. The cubic root of 2525717156 is about 1361.8467479368.

The spelling of 2525717156 in words is "two billion, five hundred twenty-five million, seven hundred seventeen thousand, one hundred fifty-six".