2512563651 has 32 divisors (see below), whose sum is σ = 4016606720. Its totient is φ = 1543123872.

The previous prime is 2512563643. The next prime is 2512563653. The reversal of 2512563651 is 1563652152.

2512563651 is a `hidden beast` number, since 2 + 5 + 12 + 5 + 636 + 5 + 1 = 666.

2512563651 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2512563651 - 2³ = 2512563643 is a prime.

It is a super-2 number, since 2×2512563651² = 12625952200652899602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2512563653) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176730 + ... + 190416.

It is an arithmetic number, because the mean of its divisors is an integer number (125518960).

Almost surely, 2^2512563651 is an apocalyptic number.

2512563651 is a deficient number, since it is larger than the sum of its proper divisors (1504043069).

2512563651 is a wasteful number, since it uses less digits than its factorization.

2512563651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14232 (or 14226 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 2512563651 is about 50125.4790600549. The cubic root of 2512563651 is about 1359.4785434185.

The spelling of 2512563651 in words is "two billion, five hundred twelve million, five hundred sixty-three thousand, six hundred fifty-one".