426502051 has 4 divisors (see below), whose sum is σ = 429118792. Its totient is φ = 423885312.

The previous prime is 426502039. The next prime is 426502099. The reversal of 426502051 is 150205624.

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 426502051 - 2⁵ = 426502019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426502651) 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, 1308126 + ... + 1308451.

It is an arithmetic number, because the mean of its divisors is an integer number (107279698).

Almost surely, 2^426502051 is an apocalyptic number.

426502051 is a deficient number, since it is larger than the sum of its proper divisors (2616741).

426502051 is a wasteful number, since it uses less digits than its factorization.

426502051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2616740.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 426502051 is about 20651.9260845084. The cubic root of 426502051 is about 752.7319923550.

Adding to 426502051 its reverse (150205624), we get a palindrome (576707675).

The spelling of 426502051 in words is "four hundred twenty-six million, five hundred two thousand, fifty-one".