625406498 has 8 divisors (see below), whose sum is σ = 938517840. Its totient is φ = 312567220.

The previous prime is 625406477. The next prime is 625406521. The reversal of 625406498 is 894604526.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×625406498² = 782266575481248008, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62168 + ... + 71523.

It is an arithmetic number, because the mean of its divisors is an integer number (117314730).

Almost surely, 2^625406498 is an apocalyptic number.

625406498 is a deficient number, since it is larger than the sum of its proper divisors (313111342).

625406498 is a wasteful number, since it uses less digits than its factorization.

625406498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136032.

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 625406498 is about 25008.1286385047. The cubic root of 625406498 is about 855.1732936475.

The spelling of 625406498 in words is "six hundred twenty-five million, four hundred six thousand, four hundred ninety-eight".