700502661 has 16 divisors (see below), whose sum is σ = 1050597120. Its totient is φ = 467000316.

The previous prime is 700502657. The next prime is 700502681. The reversal of 700502661 is 166205007.

It is not a de Polignac number, because 700502661 - 2² = 700502657 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (700502641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157965 + ... + 162338.

It is an arithmetic number, because the mean of its divisors is an integer number (65662320).

Almost surely, 2^700502661 is an apocalyptic number.

It is an amenable number.

700502661 is a deficient number, since it is larger than the sum of its proper divisors (350094459).

700502661 is an frugal number, since it uses more digits than its factorization.

700502661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320324 (or 320306 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 700502661 is about 26467.0108059070. The cubic root of 700502661 is about 888.1164817069.

Adding to 700502661 its reverse (166205007), we get a palindrome (866707668).

The spelling of 700502661 in words is "seven hundred million, five hundred two thousand, six hundred sixty-one".