252015142226413 has 4 divisors (see below), whose sum is σ = 252043679789568. Its totient is φ = 251986604663260.

The previous prime is 252015142226359. The next prime is 252015142226443. The reversal of 252015142226413 is 314622241510252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 252015142226413 - 2⁴⁵ = 216830770137581 is a prime.

It is a super-2 number, since 2×252015142226413² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252015142226443) 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, 14268768331 + ... + 14268785992.

It is an arithmetic number, because the mean of its divisors is an integer number (63010919947392).

Almost surely, 2^{252015142226413} is an apocalyptic number.

It is an amenable number.

252015142226413 is a deficient number, since it is larger than the sum of its proper divisors (28537563155).

252015142226413 is an equidigital number, since it uses as much as digits as its factorization.

252015142226413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28537563154.

The product of its (nonzero) digits is 230400, while the sum is 40.

Adding to 252015142226413 its reverse (314622241510252), we get a palindrome (566637383736665).

The spelling of 252015142226413 in words is "two hundred fifty-two trillion, fifteen billion, one hundred forty-two million, two hundred twenty-six thousand, four hundred thirteen".