625352537 has 8 divisors (see below), whose sum is σ = 634563720. Its totient is φ = 616190080.

The previous prime is 625352489. The next prime is 625352551. The reversal of 625352537 is 735253526.

625352537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8128201 + 617224336 = 2851^2 + 24844^2 .

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 625352537 - 2¹⁶ = 625287001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 625352537.

It is not an unprimeable number, because it can be changed into a prime (625052537) 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, 14087 + ... + 38067.

It is an arithmetic number, because the mean of its divisors is an integer number (79320465).

Almost surely, 2^625352537 is an apocalyptic number.

It is an amenable number.

625352537 is a deficient number, since it is larger than the sum of its proper divisors (9211183).

625352537 is a wasteful number, since it uses less digits than its factorization.

625352537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24363.

The product of its digits is 189000, while the sum is 38.

The square root of 625352537 is about 25007.0497460216. The cubic root of 625352537 is about 855.1486977335.

The spelling of 625352537 in words is "six hundred twenty-five million, three hundred fifty-two thousand, five hundred thirty-seven".