1402523125 has 20 divisors (see below), whose sum is σ = 1755388096. Its totient is φ = 1120230000.

The previous prime is 1402523113. The next prime is 1402523149. The reversal of 1402523125 is 5213252041.

It is a de Polignac number, because none of the positive numbers 2^k-1402523125 is a prime.

It is a super-2 number, since 2×1402523125² = 3934142232319531250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1402523125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 505492 + ... + 508258.

Almost surely, 2^1402523125 is an apocalyptic number.

It is an amenable number.

1402523125 is a deficient number, since it is larger than the sum of its proper divisors (352864971).

1402523125 is an frugal number, since it uses more digits than its factorization.

1402523125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3598 (or 3583 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1402523125 is about 37450.2753661438. The cubic root of 1402523125 is about 1119.3605844808.

Adding to 1402523125 its reverse (5213252041), we get a palindrome (6615775166).

The spelling of 1402523125 in words is "one billion, four hundred two million, five hundred twenty-three thousand, one hundred twenty-five".