25152046 has 4 divisors (see below), whose sum is σ = 37728072. Its totient is φ = 12576022.

The previous prime is 25152031. The next prime is 25152047. The reversal of 25152046 is 64025152.

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

It is a super-2 number, since 2×25152046² = 1265250835972232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25152046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25152047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6288010 + ... + 6288013.

It is an arithmetic number, because the mean of its divisors is an integer number (9432018).

Almost surely, 2^25152046 is an apocalyptic number.

25152046 is a deficient number, since it is larger than the sum of its proper divisors (12576026).

25152046 is a wasteful number, since it uses less digits than its factorization.

25152046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12576025.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 25152046 is about 5015.1815520477. The cubic root of 25152046 is about 292.9933564018.

Adding to 25152046 its reverse (64025152), we get a palindrome (89177198).

The spelling of 25152046 in words is "twenty-five million, one hundred fifty-two thousand, forty-six".