502420345 has 16 divisors (see below), whose sum is σ = 689603328. Its totient is φ = 344232000.

The previous prime is 502420333. The next prime is 502420357. The reversal of 502420345 is 543024205.

It is an interprime number because it is at equal distance from previous prime (502420333) and next prime (502420357).

It is not a de Polignac number, because 502420345 - 2⁵ = 502420313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42595 + ... + 53095.

It is an arithmetic number, because the mean of its divisors is an integer number (43100208).

Almost surely, 2^502420345 is an apocalyptic number.

It is an amenable number.

502420345 is a deficient number, since it is larger than the sum of its proper divisors (187182983).

502420345 is a wasteful number, since it uses less digits than its factorization.

502420345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11880.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 502420345 is about 22414.7349973182. The cubic root of 502420345 is about 794.9791511218.

The spelling of 502420345 in words is "five hundred two million, four hundred twenty thousand, three hundred forty-five".