25413992 has 8 divisors (see below), whose sum is σ = 47651250. Its totient is φ = 12706992.

The previous prime is 25413991. The next prime is 25414013. The reversal of 25413992 is 29931452.

It can be written as a sum of positive squares in only one way, i.e., 13205956 + 12208036 = 3634^2 + 3494^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (25413991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1588367 + ... + 1588382.

Almost surely, 2^25413992 is an apocalyptic number.

It is an amenable number.

25413992 is a deficient number, since it is larger than the sum of its proper divisors (22237258).

25413992 is a wasteful number, since it uses less digits than its factorization.

25413992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3176755 (or 3176751 counting only the distinct ones).

The product of its digits is 19440, while the sum is 35.

The square root of 25413992 is about 5041.2292151816. The cubic root of 25413992 is about 294.0069722381.

The spelling of 25413992 in words is "twenty-five million, four hundred thirteen thousand, nine hundred ninety-two".