25149652 has 12 divisors (see below), whose sum is σ = 48013056. Its totient is φ = 11431640.

The previous prime is 25149643. The next prime is 25149671. The reversal of 25149652 is 25694152.

It is a happy number.

It is a super-2 number, since 2×25149652² = 1265009991442208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285748 + ... + 285835.

It is an arithmetic number, because the mean of its divisors is an integer number (4001088).

Almost surely, 2^25149652 is an apocalyptic number.

25149652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25149652 is a deficient number, since it is larger than the sum of its proper divisors (22863404).

25149652 is a wasteful number, since it uses less digits than its factorization.

25149652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571598 (or 571596 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 25149652 is about 5014.9428710604. The cubic root of 25149652 is about 292.9840602945.

The spelling of 25149652 in words is "twenty-five million, one hundred forty-nine thousand, six hundred fifty-two".