425252145515 has 4 divisors (see below), whose sum is σ = 510302574624. Its totient is φ = 340201716408.

The previous prime is 425252145469. The next prime is 425252145553. The reversal of 425252145515 is 515541252524.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425252145515 is a prime.

It is a super-2 number, since 2×425252145515² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42525214547 + ... + 42525214556.

It is an arithmetic number, because the mean of its divisors is an integer number (127575643656).

Almost surely, 2^425252145515 is an apocalyptic number.

425252145515 is a deficient number, since it is larger than the sum of its proper divisors (85050429109).

425252145515 is an equidigital number, since it uses as much as digits as its factorization.

425252145515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85050429108.

The product of its digits is 400000, while the sum is 41.

The spelling of 425252145515 in words is "four hundred twenty-five billion, two hundred fifty-two million, one hundred forty-five thousand, five hundred fifteen".