652430602553251 has 4 divisors (see below), whose sum is σ = 654208342615072. Its totient is φ = 650652862491432.

The previous prime is 652430602553243. The next prime is 652430602553281. The reversal of 652430602553251 is 152355206034256.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 652430602553251 - 2³ = 652430602553243 is a prime.

It is a super-2 number, since 2×652430602553251² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 652430602553195 and 652430602553204.

It is not an unprimeable number, because it can be changed into a prime (652430602553281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 888870030360 + ... + 888870031093.

It is an arithmetic number, because the mean of its divisors is an integer number (163552085653768).

Almost surely, 2^{652430602553251} is an apocalyptic number.

652430602553251 is a deficient number, since it is larger than the sum of its proper divisors (1777740061821).

652430602553251 is a wasteful number, since it uses less digits than its factorization.

652430602553251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777740061820.

The product of its (nonzero) digits is 6480000, while the sum is 49.

The spelling of 652430602553251 in words is "six hundred fifty-two trillion, four hundred thirty billion, six hundred two million, five hundred fifty-three thousand, two hundred fifty-one".