2525452401 has 4 divisors (see below), whose sum is σ = 3367269872. Its totient is φ = 1683634932.

The previous prime is 2525452387. The next prime is 2525452403. The reversal of 2525452401 is 1042545252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2525452401 - 2⁶ = 2525452337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2525452403) 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, 420908731 + ... + 420908736.

It is an arithmetic number, because the mean of its divisors is an integer number (841817468).

Almost surely, 2^2525452401 is an apocalyptic number.

It is an amenable number.

2525452401 is a deficient number, since it is larger than the sum of its proper divisors (841817471).

2525452401 is an equidigital number, since it uses as much as digits as its factorization.

2525452401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841817470.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 2525452401 is about 50253.8794621868. The cubic root of 2525452401 is about 1361.7991616722.

Adding to 2525452401 its reverse (1042545252), we get a palindrome (3567997653).

The spelling of 2525452401 in words is "two billion, five hundred twenty-five million, four hundred fifty-two thousand, four hundred one".