620427501 has 24 divisors (see below), whose sum is σ = 944372000. Its totient is φ = 391420512.

The previous prime is 620427499. The next prime is 620427541. The reversal of 620427501 is 105724026.

It is not a de Polignac number, because 620427501 - 2¹ = 620427499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620427541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 243090 + ... + 245628.

Almost surely, 2^620427501 is an apocalyptic number.

It is an amenable number.

620427501 is a deficient number, since it is larger than the sum of its proper divisors (323944499).

620427501 is a wasteful number, since it uses less digits than its factorization.

620427501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3993 (or 3990 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 620427501 is about 24908.3821433669. The cubic root of 620427501 is about 852.8978376630.

The spelling of 620427501 in words is "six hundred twenty million, four hundred twenty-seven thousand, five hundred one".