25141525 has 6 divisors (see below), whose sum is σ = 31175522. Its totient is φ = 20113200.

The previous prime is 25141499. The next prime is 25141559. The reversal of 25141525 is 52514152.

It can be written as a sum of positive squares in 3 ways, for example, as 2692881 + 22448644 = 1641^2 + 4738^2 .

It is not a de Polignac number, because 25141525 - 2⁷ = 25141397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 1005661 = 25141525 / (2 + 5 + 1 + 4 + 1 + 5 + 2 + 5).

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 25141525.

It is a congruent 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, 502806 + ... + 502855.

Almost surely, 2^25141525 is an apocalyptic number.

25141525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25141525 is a deficient number, since it is larger than the sum of its proper divisors (6033997).

25141525 is a wasteful number, since it uses less digits than its factorization.

25141525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005671 (or 1005666 counting only the distinct ones).

The product of its digits is 2000, while the sum is 25.

The square root of 25141525 is about 5014.1325271676. The cubic root of 25141525 is about 292.9524980555.

Adding to 25141525 its reverse (52514152), we get a palindrome (77655677).

The spelling of 25141525 in words is "twenty-five million, one hundred forty-one thousand, five hundred twenty-five".