2251359004 has 18 divisors (see below), whose sum is σ = 4067925792. Its totient is φ = 1089111600.

The previous prime is 2251358971. The next prime is 2251359013. The reversal of 2251359004 is 4009531522.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 526234 + ... + 530494.

Almost surely, 2^2251359004 is an apocalyptic number.

It is an amenable number.

2251359004 is a deficient number, since it is larger than the sum of its proper divisors (1816566788).

2251359004 is an frugal number, since it uses more digits than its factorization.

2251359004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8557 (or 4294 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 2251359004 is about 47448.4879000374. The cubic root of 2251359004 is about 1310.6344660828.

Multiplying 2251359004 by its sum of digits (31), we get a square (69792129124 = 264182²).

2251359004 divided by its sum of digits (31) gives a square (72624484 = 8522²).

The spelling of 2251359004 in words is "two billion, two hundred fifty-one million, three hundred fifty-nine thousand, four".