426516253 has 4 divisors (see below), whose sum is σ = 441223740. Its totient is φ = 411808768.

The previous prime is 426516239. The next prime is 426516263. The reversal of 426516253 is 352615624.

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 164788569 + 261727684 = 12837^2 + 16178^2 .

It is a cyclic number.

It is not a de Polignac number, because 426516253 - 2²¹ = 424419101 is a prime.

It is a super-2 number, since 2×426516253² = 363832228146320018, which 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 (426516203) 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, 7353700 + ... + 7353757.

It is an arithmetic number, because the mean of its divisors is an integer number (110305935).

Almost surely, 2^426516253 is an apocalyptic number.

It is an amenable number.

426516253 is a deficient number, since it is larger than the sum of its proper divisors (14707487).

426516253 is a wasteful number, since it uses less digits than its factorization.

426516253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14707486.

The product of its digits is 43200, while the sum is 34.

The square root of 426516253 is about 20652.2699236670. The cubic root of 426516253 is about 752.7403472824.

The spelling of 426516253 in words is "four hundred twenty-six million, five hundred sixteen thousand, two hundred fifty-three".