420882251 has 8 divisors (see below), whose sum is σ = 427611744. Its totient is φ = 414203200.

The previous prime is 420882247. The next prime is 420882269. The reversal of 420882251 is 152288024.

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

It is a cyclic number.

It is not a de Polignac number, because 420882251 - 2² = 420882247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420882271) 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, 4391 + ... + 29343.

It is an arithmetic number, because the mean of its divisors is an integer number (53451468).

Almost surely, 2^420882251 is an apocalyptic number.

420882251 is a deficient number, since it is larger than the sum of its proper divisors (6729493).

420882251 is a wasteful number, since it uses less digits than its factorization.

420882251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25221.

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 420882251 is about 20515.4149604633. The cubic root of 420882251 is about 749.4112422363.

The spelling of 420882251 in words is "four hundred twenty million, eight hundred eighty-two thousand, two hundred fifty-one".