620291413 has 8 divisors (see below), whose sum is σ = 710364032. Its totient is φ = 530583696.

The previous prime is 620291407. The next prime is 620291417. The reversal of 620291413 is 314192026.

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 620291413 - 2⁵ = 620291381 is a prime.

It is a super-2 number, since 2×620291413² = 769522874083073138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620291417) 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, 87570 + ... + 94387.

It is an arithmetic number, because the mean of its divisors is an integer number (88795504).

Almost surely, 2^620291413 is an apocalyptic number.

It is an amenable number.

620291413 is a deficient number, since it is larger than the sum of its proper divisors (90072619).

620291413 is a wasteful number, since it uses less digits than its factorization.

620291413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182451.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 620291413 is about 24905.6502223893. The cubic root of 620291413 is about 852.8354733265.

The spelling of 620291413 in words is "six hundred twenty million, two hundred ninety-one thousand, four hundred thirteen".