620546025 has 24 divisors (see below), whose sum is σ = 1119240864. Its totient is φ = 300870400.

The previous prime is 620545997. The next prime is 620546033. The reversal of 620546025 is 520645026.

It is not a de Polignac number, because 620546025 - 2⁷ = 620545897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 620545983 and 620546001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 375264 + ... + 376913.

It is an arithmetic number, because the mean of its divisors is an integer number (46635036).

Almost surely, 2^620546025 is an apocalyptic number.

It is an amenable number.

620546025 is a deficient number, since it is larger than the sum of its proper divisors (498694839).

620546025 is a wasteful number, since it uses less digits than its factorization.

620546025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752201 (or 752196 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 620546025 is about 24910.7612288344. The cubic root of 620546025 is about 852.9521456075.

Subtracting from 620546025 its reverse (520645026), we obtain a palindrome (99900999).

It can be divided in two parts, 620 and 546025, that added together give a palindrome (546645).

The spelling of 620546025 in words is "six hundred twenty million, five hundred forty-six thousand, twenty-five".