1403396925 has 24 divisors (see below), whose sum is σ = 2651752896. Its totient is φ = 641552640.

The previous prime is 1403396887. The next prime is 1403396947. The reversal of 1403396925 is 5296933041.

It is a happy number.

1403396925 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1403396925 - 2⁹ = 1403396413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1336044 + ... + 1337093.

It is an arithmetic number, because the mean of its divisors is an integer number (110489704).

Almost surely, 2^1403396925 is an apocalyptic number.

1403396925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1403396925 is a deficient number, since it is larger than the sum of its proper divisors (1248355971).

1403396925 is a wasteful number, since it uses less digits than its factorization.

1403396925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2673157 (or 2673152 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 42.

The square root of 1403396925 is about 37461.9396854995. The cubic root of 1403396925 is about 1119.5929975766.

The spelling of 1403396925 in words is "one billion, four hundred three million, three hundred ninety-six thousand, nine hundred twenty-five".