2920757625 has 24 divisors (see below), whose sum is σ = 5265154440. Its totient is φ = 1557736800.

The previous prime is 2920757611. The next prime is 2920757629. The reversal of 2920757625 is 5267570292.

It can be written as a sum of positive squares in 4 ways, for example, as 642318336 + 2278439289 = 25344^2 + 47733^2 .

It is not a de Polignac number, because 2920757625 - 2⁹ = 2920757113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2920757629) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1296990 + ... + 1299239.

It is an arithmetic number, because the mean of its divisors is an integer number (219381435).

Almost surely, 2^2920757625 is an apocalyptic number.

2920757625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2920757625 is a deficient number, since it is larger than the sum of its proper divisors (2344396815).

2920757625 is a wasteful number, since it uses less digits than its factorization.

2920757625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596250 (or 2596237 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The square root of 2920757625 is about 54044.0341295873. The cubic root of 2920757625 is about 1429.4375059618.

The spelling of 2920757625 in words is "two billion, nine hundred twenty million, seven hundred fifty-seven thousand, six hundred twenty-five".