624987242 has 16 divisors (see below), whose sum is σ = 1023300864. Its totient is φ = 283920000.

The previous prime is 624987221. The next prime is 624987263. The reversal of 624987242 is 242789426.

It is an interprime number because it is at equal distance from previous prime (624987221) and next prime (624987263).

It is a junction number, because it is equal to n+sod(n) for n = 624987193 and 624987202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35642 + ... + 50202.

It is an arithmetic number, because the mean of its divisors is an integer number (63956304).

Almost surely, 2^624987242 is an apocalyptic number.

624987242 is a deficient number, since it is larger than the sum of its proper divisors (398313622).

624987242 is a wasteful number, since it uses less digits than its factorization.

624987242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16525.

The product of its digits is 387072, while the sum is 44.

The square root of 624987242 is about 24999.7448386979. The cubic root of 624987242 is about 854.9821557326.

The spelling of 624987242 in words is "six hundred twenty-four million, nine hundred eighty-seven thousand, two hundred forty-two".