2525496250761 has 27 divisors (see below), whose sum is σ = 4009801371303. Its totient is φ = 1530572004720.

The previous prime is 2525496250751. The next prime is 2525496250897. The reversal of 2525496250761 is 1670526945252.

The square root of 2525496250761 is 1589181.

It is a perfect power (a square), and thus also a powerful number.

2525496250761 is a `hidden beast` number, since 2 + 5 + 2 + 5 + 4 + 9 + 625 + 0 + 7 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2484548300025 + 40947950736 = 1576245^2 + 202356^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2525496250761 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2525496250698 and 2525496250707.

It is not an unprimeable number, because it can be changed into a prime (2525496250751) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 52418895 + ... + 52467051.

Almost surely, 2^{2525496250761} is an apocalyptic number.

2525496250761 is the 1589181-st square number.

2525496250761 is the 794591-st centered octagonal number.

It is an amenable number.

2525496250761 is a deficient number, since it is larger than the sum of its proper divisors (1484305120542).

2525496250761 is an frugal number, since it uses more digits than its factorization.

2525496250761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96342 (or 48171 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 54.

The spelling of 2525496250761 in words is "two trillion, five hundred twenty-five billion, four hundred ninety-six million, two hundred fifty thousand, seven hundred sixty-one".