25262940 has 24 divisors (see below), whose sum is σ = 70736400. Its totient is φ = 6736768.

The previous prime is 25262911. The next prime is 25262977. The reversal of 25262940 is 4926252.

It is a super-2 number, since 2×25262940² = 1276432274887200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 25262898 and 25262907.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 210465 + ... + 210584.

It is an arithmetic number, because the mean of its divisors is an integer number (2947350).

Almost surely, 2^25262940 is an apocalyptic number.

25262940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25262940 is an abundant number, since it is smaller than the sum of its proper divisors (45473460).

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

25262940 is a wasteful number, since it uses less digits than its factorization.

25262940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421061 (or 421059 counting only the distinct ones).

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

The square root of 25262940 is about 5026.2252237639. The cubic root of 25262940 is about 293.4233223673.

The spelling of 25262940 in words is "twenty-five million, two hundred sixty-two thousand, nine hundred forty".