426725513 has 4 divisors (see below), whose sum is σ = 427029780. Its totient is φ = 426421248.

The previous prime is 426725501. The next prime is 426725527. The reversal of 426725513 is 315527624.

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 73736569 + 352988944 = 8587^2 + 18788^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426725513 is a prime.

It is a super-2 number, since 2×426725513² = 364189326890226338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426725713) 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, 150020 + ... + 152837.

It is an arithmetic number, because the mean of its divisors is an integer number (106757445).

Almost surely, 2^426725513 is an apocalyptic number.

It is an amenable number.

426725513 is a deficient number, since it is larger than the sum of its proper divisors (304267).

426725513 is a wasteful number, since it uses less digits than its factorization.

426725513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304266.

The product of its digits is 50400, while the sum is 35.

The square root of 426725513 is about 20657.3355735923. The cubic root of 426725513 is about 752.8634318387.

The spelling of 426725513 in words is "four hundred twenty-six million, seven hundred twenty-five thousand, five hundred thirteen".