25241501 has 4 divisors (see below), whose sum is σ = 25283292. Its totient is φ = 25199712.

The previous prime is 25241483. The next prime is 25241521. The reversal of 25241501 is 10514252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2105401 + 23136100 = 1451^2 + 4810^2 .

It is a cyclic number.

It is not a de Polignac number, because 25241501 - 2¹⁴ = 25225117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25241521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19976 + ... + 21201.

It is an arithmetic number, because the mean of its divisors is an integer number (6320823).

Almost surely, 2^25241501 is an apocalyptic number.

It is an amenable number.

25241501 is a deficient number, since it is larger than the sum of its proper divisors (41791).

25241501 is an equidigital number, since it uses as much as digits as its factorization.

25241501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41790.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 25241501 is about 5024.0920572776. The cubic root of 25241501 is about 293.3402958345.

Adding to 25241501 its reverse (10514252), we get a palindrome (35755753).

The spelling of 25241501 in words is "twenty-five million, two hundred forty-one thousand, five hundred one".