25009464 has 32 divisors (see below), whose sum is σ = 65243520. Its totient is φ = 7973856.

The previous prime is 25009463. The next prime is 25009469. The reversal of 25009464 is 46490052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25009463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22102 + ... + 23205.

It is an arithmetic number, because the mean of its divisors is an integer number (2038860).

Almost surely, 2^25009464 is an apocalyptic number.

25009464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25009464 is an abundant number, since it is smaller than the sum of its proper divisors (40234056).

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

25009464 is a wasteful number, since it uses less digits than its factorization.

25009464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45339 (or 45335 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 25009464 is about 5000.9463104497. The cubic root of 25009464 is about 292.4386663715.

The spelling of 25009464 in words is "twenty-five million, nine thousand, four hundred sixty-four".