25354442 has 8 divisors (see below), whose sum is σ = 38424036. Its totient is φ = 12546432.

The previous prime is 25354421. The next prime is 25354447. The reversal of 25354442 is 24445352.

It can be written as a sum of positive squares in 2 ways, for example, as 24790441 + 564001 = 4979^2 + 751^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (25354447) 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, 65153 + ... + 65540.

Almost surely, 2^25354442 is an apocalyptic number.

25354442 is a deficient number, since it is larger than the sum of its proper divisors (13069594).

25354442 is a wasteful number, since it uses less digits than its factorization.

25354442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130792.

The product of its digits is 19200, while the sum is 29.

The square root of 25354442 is about 5035.3194536196. The cubic root of 25354442 is about 293.7771538502. Note that the first 3 decimals are identical.

Adding to 25354442 its reverse (24445352), we get a palindrome (49799794).

The spelling of 25354442 in words is "twenty-five million, three hundred fifty-four thousand, four hundred forty-two".