25460146 has 4 divisors (see below), whose sum is σ = 38190222. Its totient is φ = 12730072.

The previous prime is 25460131. The next prime is 25460147. The reversal of 25460146 is 64106452.

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

It can be written as a sum of positive squares in only one way, i.e., 24890121 + 570025 = 4989^2 + 755^2 .

It is not an unprimeable number, because it can be changed into a prime (25460147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6365035 + ... + 6365038.

Almost surely, 2^25460146 is an apocalyptic number.

25460146 is a deficient number, since it is larger than the sum of its proper divisors (12730076).

25460146 is a wasteful number, since it uses less digits than its factorization.

25460146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12730075.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 25460146 is about 5045.8047921020. The cubic root of 25460146 is about 294.1848452717.

Adding to 25460146 its reverse (64106452), we get a palindrome (89566598).

The spelling of 25460146 in words is "twenty-five million, four hundred sixty thousand, one hundred forty-six".