426249651 has 8 divisors (see below), whose sum is σ = 568766464. Its totient is φ = 283949640.

The previous prime is 426249647. The next prime is 426249671. The reversal of 426249651 is 156942624.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 426249651 - 2² = 426249647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426249601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49555 + ... + 57516.

It is an arithmetic number, because the mean of its divisors is an integer number (71095808).

Almost surely, 2^426249651 is an apocalyptic number.

426249651 is a deficient number, since it is larger than the sum of its proper divisors (142516813).

426249651 is a wasteful number, since it uses less digits than its factorization.

426249651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108401.

The product of its digits is 103680, while the sum is 39.

The square root of 426249651 is about 20645.8143699879. The cubic root of 426249651 is about 752.5834764258.

The spelling of 426249651 in words is "four hundred twenty-six million, two hundred forty-nine thousand, six hundred fifty-one".