2780572925025 has 81 divisors (see below), whose sum is σ = 5793792549753. Its totient is φ = 1271039011200.

The previous prime is 2780572925003. The next prime is 2780572925059. The reversal of 2780572925025 is 5205292750872.

The square root of 2780572925025 is 1667505.

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

2780572925025 is a `hidden beast` number, since 2 + 7 + 80 + 57 + 2 + 9 + 2 + 502 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 399736269009 + 2380836656016 = 632247^2 + 1542996^2 .

It is not a de Polignac number, because 2780572925025 - 2⁷ = 2780572924897 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 175080085 + ... + 175095965.

Almost surely, 2^{2780572925025} is an apocalyptic number.

2780572925025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2780572925025 is the 1667505-th square number.

2780572925025 is the 833753-rd centered octagonal number.

It is an amenable number.

2780572925025 is an abundant number, since it is smaller than the sum of its proper divisors (3013219624728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2780572925025 is an frugal number, since it uses more digits than its factorization.

2780572925025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31792 (or 15896 counting only the distinct ones).

The product of its (nonzero) digits is 7056000, while the sum is 54.

The spelling of 2780572925025 in words is "two trillion, seven hundred eighty billion, five hundred seventy-two million, nine hundred twenty-five thousand, twenty-five".