16252025 has 6 divisors (see below), whose sum is σ = 20152542. Its totient is φ = 13001600.

The previous prime is 16252013. The next prime is 16252037. The reversal of 16252025 is 52025261.

16252025 = 428² + 429² + ... + 502².

It is an interprime number because it is at equal distance from previous prime (16252013) and next prime (16252037).

It can be written as a sum of positive squares in 3 ways, for example, as 2621161 + 13630864 = 1619^2 + 3692^2 .

It is not a de Polignac number, because 16252025 - 2²⁰ = 15203449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 325016 + ... + 325065.

It is an arithmetic number, because the mean of its divisors is an integer number (3358757).

Almost surely, 2^16252025 is an apocalyptic number.

It is an amenable number.

16252025 is a deficient number, since it is larger than the sum of its proper divisors (3900517).

16252025 is an equidigital number, since it uses as much as digits as its factorization.

16252025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650091 (or 650086 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 16252025 is about 4031.3800366624. The cubic root of 16252025 is about 253.3003717888.

Adding to 16252025 its reverse (52025261), we get a palindrome (68277286).

The spelling of 16252025 in words is "sixteen million, two hundred fifty-two thousand, twenty-five".