25262442 has 40 divisors (see below), whose sum is σ = 59942916. Its totient is φ = 7924608.

The previous prime is 25262411. The next prime is 25262467. The reversal of 25262442 is 24426252.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 24591681 + 670761 = 4959^2 + 819^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1833 + ... + 7340.

Almost surely, 2^25262442 is an apocalyptic number.

25262442 is an abundant number, since it is smaller than the sum of its proper divisors (34680474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25262442 is a wasteful number, since it uses less digits than its factorization.

25262442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9204 (or 9195 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 25262442 is about 5026.1756833601. The cubic root of 25262442 is about 293.4213943023.

Adding to 25262442 its reverse (24426252), we get a palindrome (49688694).

The spelling of 25262442 in words is "twenty-five million, two hundred sixty-two thousand, four hundred forty-two".