3125003478 has 32 divisors (see below), whose sum is σ = 6621751296. Its totient is φ = 979786368.

The previous prime is 3125003459. The next prime is 3125003521. The reversal of 3125003478 is 8743005213.

3125003478 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173275 + ... + 190457.

It is an arithmetic number, because the mean of its divisors is an integer number (206929728).

Almost surely, 2^3125003478 is an apocalyptic number.

3125003478 is an abundant number, since it is smaller than the sum of its proper divisors (3496747818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3125003478 is a wasteful number, since it uses less digits than its factorization.

3125003478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18988.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 3125003478 is about 55901.7305456638. The cubic root of 3125003478 is about 1462.0094114920.

The spelling of 3125003478 in words is "three billion, one hundred twenty-five million, three thousand, four hundred seventy-eight".