25450046 has 4 divisors (see below), whose sum is σ = 38175072. Its totient is φ = 12725022.

The previous prime is 25450031. The next prime is 25450069. The reversal of 25450046 is 64005452.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25449997 and 25450024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6362510 + ... + 6362513.

It is an arithmetic number, because the mean of its divisors is an integer number (9543768).

Almost surely, 2^25450046 is an apocalyptic number.

25450046 is a deficient number, since it is larger than the sum of its proper divisors (12725026).

25450046 is a wasteful number, since it uses less digits than its factorization.

25450046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12725025.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 25450046 is about 5044.8038614004. The cubic root of 25450046 is about 294.1459392376.

Adding to 25450046 its reverse (64005452), we get a palindrome (89455498).

The spelling of 25450046 in words is "twenty-five million, four hundred fifty thousand, forty-six".