2515524025 has 27 divisors (see below), whose sum is σ = 3631048941. Its totient is φ = 1723727040.

The previous prime is 2515524023. The next prime is 2515524043. The reversal of 2515524025 is 5204255152.

It is a happy number.

The square root of 2515524025 is 50155.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 117267241 + 2398256784 = 10829^2 + 48972^2 .

It is not a de Polignac number, because 2515524025 - 2¹ = 2515524023 is a prime.

It is a super-2 number, since 2×2515524025² = 12655722240704401250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2515524023) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1754709 + ... + 1756141.

Almost surely, 2^2515524025 is an apocalyptic number.

2515524025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2515524025 is the 50155-th square number.

2515524025 is the 25078-th centered octagonal number.

It is an amenable number.

2515524025 is a deficient number, since it is larger than the sum of its proper divisors (1115524916).

2515524025 is an frugal number, since it uses more digits than its factorization.

2515524025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2890 (or 1445 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

The cubic root of 2515524025 is about 1360.0122592969.

Adding to 2515524025 its reverse (5204255152), we get a palindrome (7719779177).

The spelling of 2515524025 in words is "two billion, five hundred fifteen million, five hundred twenty-four thousand, twenty-five".