652430034257 has 4 divisors (see below), whose sum is σ = 652544642100. Its totient is φ = 652315426416.

The previous prime is 652430034251. The next prime is 652430034293. The reversal of 652430034257 is 752430034256.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 399384816961 + 253045217296 = 631969^2 + 503036^2 .

It is a cyclic number.

It is not a de Polignac number, because 652430034257 - 2⁸ = 652430034001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652430034251) 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, 57295382 + ... + 57306767.

It is an arithmetic number, because the mean of its divisors is an integer number (163136160525).

Almost surely, 2^652430034257 is an apocalyptic number.

It is an amenable number.

652430034257 is a deficient number, since it is larger than the sum of its proper divisors (114607843).

652430034257 is a wasteful number, since it uses less digits than its factorization.

652430034257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114607842.

The product of its (nonzero) digits is 604800, while the sum is 41.

Subtracting 652430034257 from its reverse (752430034256), we obtain a palindrome (99999999999).

The spelling of 652430034257 in words is "six hundred fifty-two billion, four hundred thirty million, thirty-four thousand, two hundred fifty-seven".