25414442 has 8 divisors (see below), whose sum is σ = 38216100. Its totient is φ = 12675744.

The previous prime is 25414429. The next prime is 25414447. The reversal of 25414442 is 24441452.

It can be written as a sum of positive squares in 2 ways, for example, as 23512801 + 1901641 = 4849^2 + 1379^2 .

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 (25414447) 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, 14717 + ... + 16352.

Almost surely, 2^25414442 is an apocalyptic number.

25414442 is a deficient number, since it is larger than the sum of its proper divisors (12801658).

25414442 is a wasteful number, since it uses less digits than its factorization.

25414442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31480.

The product of its digits is 5120, while the sum is 26.

The square root of 25414442 is about 5041.2738469557. The cubic root of 25414442 is about 294.0087075336.

Adding to 25414442 its reverse (24441452), we get a palindrome (49855894).

The spelling of 25414442 in words is "twenty-five million, four hundred fourteen thousand, four hundred forty-two".