2509025877157 has 2 divisors, whose sum is σ = 2509025877158. Its totient is φ = 2509025877156.

The previous prime is 2509025877131. The next prime is 2509025877217. The reversal of 2509025877157 is 7517785209052.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2491517030116 + 17508847041 = 1578454^2 + 132321^2 .

It is a cyclic number.

It is not a de Polignac number, because 2509025877157 - 2¹⁵ = 2509025844389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2509025877257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1254512938578 + 1254512938579.

It is an arithmetic number, because the mean of its divisors is an integer number (1254512938579).

Almost surely, 2^{2509025877157} is an apocalyptic number.

It is an amenable number.

2509025877157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2509025877157 is an equidigital number, since it uses as much as digits as its factorization.

2509025877157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12348000, while the sum is 58.

The spelling of 2509025877157 in words is "two trillion, five hundred nine billion, twenty-five million, eight hundred seventy-seven thousand, one hundred fifty-seven".