2525764009 has 2 divisors, whose sum is σ = 2525764010. Its totient is φ = 2525764008.

The previous prime is 2525763991. The next prime is 2525764013. The reversal of 2525764009 is 9004675252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2420640000 + 105124009 = 49200^2 + 10253^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2525764009 is a prime.

It is not a weakly prime, because it can be changed into another prime (2525764039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262882004 + 1262882005.

It is an arithmetic number, because the mean of its divisors is an integer number (1262882005).

Almost surely, 2^2525764009 is an apocalyptic number.

It is an amenable number.

2525764009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2525764009 is an equidigital number, since it uses as much as digits as its factorization.

2525764009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 2525764009 is about 50256.9797043157. The cubic root of 2525764009 is about 1361.8551688073.

The spelling of 2525764009 in words is "two billion, five hundred twenty-five million, seven hundred sixty-four thousand, nine".