25007490 has 48 divisors (see below), whose sum is σ = 65520000. Its totient is φ = 6617376.

The previous prime is 25007461. The next prime is 25007513. The reversal of 25007490 is 9470052.

25007490 is a `hidden beast` number, since 2 + 500 + 74 + 90 = 666.

It is a super-2 number, since 2×25007490² = 1250749112200200, which contains 22 as substring.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 11511 + ... + 13509.

It is an arithmetic number, because the mean of its divisors is an integer number (1365000).

Almost surely, 2^25007490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25007490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32760000).

25007490 is an abundant number, since it is smaller than the sum of its proper divisors (40512510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25007490 is a wasteful number, since it uses less digits than its factorization.

25007490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151 (or 2148 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 25007490 is about 5000.7489439083. The cubic root of 25007490 is about 292.4309720960.

The spelling of 25007490 in words is "twenty-five million, seven thousand, four hundred ninety".