652042251 has 64 divisors (see below), whose sum is σ = 1151180800. Its totient is φ = 356918400.

The previous prime is 652042241. The next prime is 652042253. The reversal of 652042251 is 152240256.

652042251 is a `hidden beast` number, since 652 + 0 + 4 + 2 + 2 + 5 + 1 = 666.

It is not a de Polignac number, because 652042251 - 2⁵ = 652042219 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (652042253) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 638121 + ... + 639141.

It is an arithmetic number, because the mean of its divisors is an integer number (17987200).

Almost surely, 2^652042251 is an apocalyptic number.

652042251 is a deficient number, since it is larger than the sum of its proper divisors (499138549).

652042251 is a wasteful number, since it uses less digits than its factorization.

652042251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177 (or 1171 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 652042251 is about 25535.1179946363. The cubic root of 652042251 is about 867.1453761803.

The spelling of 652042251 in words is "six hundred fifty-two million, forty-two thousand, two hundred fifty-one".