2525297530 has 32 divisors (see below), whose sum is σ = 5198618880. Its totient is φ = 865196160.

The previous prime is 2525297513. The next prime is 2525297531. The reversal of 2525297530 is 357925252.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2525297531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91491 + ... + 115849.

It is an arithmetic number, because the mean of its divisors is an integer number (162456840).

Almost surely, 2^2525297530 is an apocalyptic number.

2525297530 is an abundant number, since it is smaller than the sum of its proper divisors (2673321350).

2525297530 is a wasteful number, since it uses less digits than its factorization.

2525297530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25854.

The product of its (nonzero) digits is 189000, while the sum is 40.

The square root of 2525297530 is about 50252.3385525490. The cubic root of 2525297530 is about 1361.7713240843.

The spelling of 2525297530 in words is "two billion, five hundred twenty-five million, two hundred ninety-seven thousand, five hundred thirty".