426375431 has 4 divisors (see below), whose sum is σ = 430771152. Its totient is φ = 421979712.

The previous prime is 426375427. The next prime is 426375437. The reversal of 426375431 is 134573624.

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

It is a cyclic number.

It is not a de Polignac number, because 426375431 - 2² = 426375427 is a prime.

It is a super-2 number, since 2×426375431² = 363592016320871522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 426375391 and 426375400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426375437) 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, 2197715 + ... + 2197908.

It is an arithmetic number, because the mean of its divisors is an integer number (107692788).

Almost surely, 2^426375431 is an apocalyptic number.

426375431 is a deficient number, since it is larger than the sum of its proper divisors (4395721).

426375431 is an equidigital number, since it uses as much as digits as its factorization.

426375431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4395720.

The product of its digits is 60480, while the sum is 35.

The square root of 426375431 is about 20648.8602833183. The cubic root of 426375431 is about 752.6574945824.

The spelling of 426375431 in words is "four hundred twenty-six million, three hundred seventy-five thousand, four hundred thirty-one".