25451042 has 8 divisors (see below), whose sum is σ = 39208476. Its totient is φ = 12381552.

The previous prime is 25451011. The next prime is 25451053. The reversal of 25451042 is 24015452.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 24990001 + 461041 = 4999^2 + 679^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 25450999 and 25451017.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171893 + ... + 172040.

Almost surely, 2^25451042 is an apocalyptic number.

25451042 is a deficient number, since it is larger than the sum of its proper divisors (13757434).

25451042 is a wasteful number, since it uses less digits than its factorization.

25451042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343972.

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

The square root of 25451042 is about 5044.9025758680. The cubic root of 25451042 is about 294.1497763693.

Adding to 25451042 its reverse (24015452), we get a palindrome (49466494).

The spelling of 25451042 in words is "twenty-five million, four hundred fifty-one thousand, forty-two".