652400251 has 8 divisors (see below), whose sum is σ = 656064000. Its totient is φ = 648746280.

The previous prime is 652400237. The next prime is 652400263. The reversal of 652400251 is 152004256.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 652400251 - 2⁵ = 652400219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652400291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160320 + ... + 164338.

It is an arithmetic number, because the mean of its divisors is an integer number (82008000).

Almost surely, 2^652400251 is an apocalyptic number.

652400251 is a deficient number, since it is larger than the sum of its proper divisors (3663749).

652400251 is a wasteful number, since it uses less digits than its factorization.

652400251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4889.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 652400251 is about 25542.1269866078. The cubic root of 652400251 is about 867.3040475173.

The spelling of 652400251 in words is "six hundred fifty-two million, four hundred thousand, two hundred fifty-one".