25091060 has 12 divisors (see below), whose sum is σ = 52691268. Its totient is φ = 10036416.

The previous prime is 25091047. The next prime is 25091081. The reversal of 25091060 is 6019052.

It can be written as a sum of positive squares in 2 ways, for example, as 7333264 + 17757796 = 2708^2 + 4214^2 .

It is a super-2 number, since 2×25091060² = 1259122583847200, 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, 627257 + ... + 627296.

It is an arithmetic number, because the mean of its divisors is an integer number (4390939).

Almost surely, 2^25091060 is an apocalyptic number.

25091060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25091060 is an abundant number, since it is smaller than the sum of its proper divisors (27600208).

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

25091060 is a wasteful number, since it uses less digits than its factorization.

25091060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254562 (or 1254560 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 25091060 is about 5009.0977231434. The cubic root of 25091060 is about 292.7563583965.

The spelling of 25091060 in words is "twenty-five million, ninety-one thousand, sixty".