25387460 has 48 divisors (see below), whose sum is σ = 64520064. Its totient is φ = 8191488.

The previous prime is 25387457. The next prime is 25387463. The reversal of 25387460 is 6478352.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25387457) and next prime (25387463).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 25387460.

It is not an unprimeable number, because it can be changed into a prime (25387463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2954 + ... + 7713.

It is an arithmetic number, because the mean of its divisors is an integer number (1344168).

Almost surely, 2^25387460 is an apocalyptic number.

25387460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25387460 is an abundant number, since it is smaller than the sum of its proper divisors (39132604).

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

25387460 is a wasteful number, since it uses less digits than its factorization.

25387460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10700 (or 10698 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 25387460 is about 5038.5970269511. The cubic root of 25387460 is about 293.9046229870.

It can be divided in two parts, 253874 and 60, that multiplied together give a triangular number (15232440 = T₅₅₁₉).

The spelling of 25387460 in words is "twenty-five million, three hundred eighty-seven thousand, four hundred sixty".