425252051 has 4 divisors (see below), whose sum is σ = 486002352. Its totient is φ = 364501752.

The previous prime is 425252033. The next prime is 425252071. The reversal of 425252051 is 150252524.

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 425252051 - 2²⁶ = 358143187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 425252051.

It is not an unprimeable number, because it can be changed into a prime (425252071) 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, 30375140 + ... + 30375153.

It is an arithmetic number, because the mean of its divisors is an integer number (121500588).

Almost surely, 2^425252051 is an apocalyptic number.

425252051 is a deficient number, since it is larger than the sum of its proper divisors (60750301).

425252051 is an equidigital number, since it uses as much as digits as its factorization.

425252051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60750300.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 425252051 is about 20621.6403566739. The cubic root of 425252051 is about 751.9958992109.

The spelling of 425252051 in words is "four hundred twenty-five million, two hundred fifty-two thousand, fifty-one".