16132525 has 18 divisors (see below), whose sum is σ = 20539050. Its totient is φ = 12569760.

The previous prime is 16132513. The next prime is 16132537. The reversal of 16132525 is 52523161.

It is an interprime number because it is at equal distance from previous prime (16132513) and next prime (16132537).

It can be written as a sum of positive squares in 3 ways, for example, as 2137444 + 13995081 = 1462^2 + 3741^2 .

It is not a de Polignac number, because 16132525 - 2⁷ = 16132397 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 16132525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 46051 + ... + 46399.

Almost surely, 2^16132525 is an apocalyptic number.

It is an amenable number.

16132525 is a deficient number, since it is larger than the sum of its proper divisors (4406525).

16132525 is an equidigital number, since it uses as much as digits as its factorization.

16132525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 397 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 16132525 is about 4016.5314638379. The cubic root of 16132525 is about 252.6780106048.

Adding to 16132525 its reverse (52523161), we get a palindrome (68655686).

The spelling of 16132525 in words is "sixteen million, one hundred thirty-two thousand, five hundred twenty-five".