25149046 has 16 divisors (see below), whose sum is σ = 42764400. Its totient is φ = 10996128.

The previous prime is 25149043. The next prime is 25149127. The reversal of 25149046 is 64094152.

It is a junction number, because it is equal to n+sod(n) for n = 25148999 and 25149017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25149041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24961 + ... + 25948.

It is an arithmetic number, because the mean of its divisors is an integer number (2672775).

Almost surely, 2^25149046 is an apocalyptic number.

25149046 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

25149046 is a deficient number, since it is larger than the sum of its proper divisors (17615354).

25149046 is a wasteful number, since it uses less digits than its factorization.

25149046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50943.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 25149046 is about 5014.8824512644. The cubic root of 25149046 is about 292.9817070510.

The spelling of 25149046 in words is "twenty-five million, one hundred forty-nine thousand, forty-six".