620052501 has 4 divisors (see below), whose sum is σ = 826736672. Its totient is φ = 413368332.

The previous prime is 620052497. The next prime is 620052533. The reversal of 620052501 is 105250026.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 620052501 - 2² = 620052497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620052571) 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, 103342081 + ... + 103342086.

It is an arithmetic number, because the mean of its divisors is an integer number (206684168).

Almost surely, 2^620052501 is an apocalyptic number.

It is an amenable number.

620052501 is a deficient number, since it is larger than the sum of its proper divisors (206684171).

620052501 is a wasteful number, since it uses less digits than its factorization.

620052501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206684170.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 620052501 is about 24900.8534191100. The cubic root of 620052501 is about 852.7259663060.

The spelling of 620052501 in words is "six hundred twenty million, fifty-two thousand, five hundred one".