620576051 has 4 divisors (see below), whose sum is σ = 622694352. Its totient is φ = 618457752.

The previous prime is 620576039. The next prime is 620576053. The reversal of 620576051 is 150675026.

It is a happy number.

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 620576051 - 2⁶ = 620575987 is a prime.

It is a super-2 number, since 2×620576051² = 770229270149509202, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 620575999 and 620576017.

It is not an unprimeable number, because it can be changed into a prime (620576053) 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, 1058711 + ... + 1059296.

It is an arithmetic number, because the mean of its divisors is an integer number (155673588).

Almost surely, 2^620576051 is an apocalyptic number.

620576051 is a deficient number, since it is larger than the sum of its proper divisors (2118301).

620576051 is a wasteful number, since it uses less digits than its factorization.

620576051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118300.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 620576051 is about 24911.3638928100. The cubic root of 620576051 is about 852.9659024856.

The spelling of 620576051 in words is "six hundred twenty million, five hundred seventy-six thousand, fifty-one".