25452031 has 16 divisors (see below), whose sum is σ = 28576800. Its totient is φ = 22472320.

The previous prime is 25452029. The next prime is 25452059. The reversal of 25452031 is 13025452.

It is a cyclic number.

It is not a de Polignac number, because 25452031 - 2¹ = 25452029 is a prime.

It is a super-2 number, since 2×25452031² = 1295611764049922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25451993 and 25452011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25452071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86721 + ... + 87013.

It is an arithmetic number, because the mean of its divisors is an integer number (1786050).

Almost surely, 2^25452031 is an apocalyptic number.

25452031 is a deficient number, since it is larger than the sum of its proper divisors (3124769).

25452031 is a wasteful number, since it uses less digits than its factorization.

25452031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 25452031 is about 5045.0005946481. Note that the first 3 decimals coincide. The cubic root of 25452031 is about 294.1535864341.

Adding to 25452031 its reverse (13025452), we get a palindrome (38477483).

The spelling of 25452031 in words is "twenty-five million, four hundred fifty-two thousand, thirty-one".