25051442 has 16 divisors (see below), whose sum is σ = 41563032. Its totient is φ = 11249280.

The previous prime is 25051417. The next prime is 25051469. The reversal of 25051442 is 24415052.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 24810361 + 241081 = 4981^2 + 491^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12059 + ... + 13982.

Almost surely, 2^25051442 is an apocalyptic number.

25051442 is a deficient number, since it is larger than the sum of its proper divisors (16511590).

25051442 is a wasteful number, since it uses less digits than its factorization.

25051442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26093.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 25051442 is about 5005.1415564397. The cubic root of 25051442 is about 292.6021928453.

Adding to 25051442 its reverse (24415052), we get a palindrome (49466494).

The spelling of 25051442 in words is "twenty-five million, fifty-one thousand, four hundred forty-two".