612653601 has 32 divisors (see below), whose sum is σ = 957616128. Its totient is φ = 341136000.

The previous prime is 612653557. The next prime is 612653609. The reversal of 612653601 is 106356216.

It is not a de Polignac number, because 612653601 - 2⁷ = 612653473 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (612653609) 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, 246501 + ... + 248973.

It is an arithmetic number, because the mean of its divisors is an integer number (29925504).

Almost surely, 2^612653601 is an apocalyptic number.

It is an amenable number.

612653601 is a deficient number, since it is larger than the sum of its proper divisors (344962527).

612653601 is a wasteful number, since it uses less digits than its factorization.

612653601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2781.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 612653601 is about 24751.8403558200. The cubic root of 612653601 is about 849.3206109857.

The spelling of 612653601 in words is "six hundred twelve million, six hundred fifty-three thousand, six hundred one".