252473826415 has 4 divisors (see below), whose sum is σ = 302968591704. Its totient is φ = 201979061128.

The previous prime is 252473826359. The next prime is 252473826443. The reversal of 252473826415 is 514628374252.

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-252473826415 is a prime.

It is a Duffinian number.

It is a congruent 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, 25247382637 + ... + 25247382646.

It is an arithmetic number, because the mean of its divisors is an integer number (75742147926).

Almost surely, 2^252473826415 is an apocalyptic number.

252473826415 is a deficient number, since it is larger than the sum of its proper divisors (50494765289).

252473826415 is an equidigital number, since it uses as much as digits as its factorization.

252473826415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50494765288.

The product of its digits is 3225600, while the sum is 49.

The spelling of 252473826415 in words is "two hundred fifty-two billion, four hundred seventy-three million, eight hundred twenty-six thousand, four hundred fifteen".