25273164 has 48 divisors (see below), whose sum is σ = 68972288. Its totient is φ = 7051968.

The previous prime is 25273163. The next prime is 25273187. The reversal of 25273164 is 46137252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25273163) 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, 114 + ... + 7110.

Almost surely, 2^25273164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25273164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34486144).

25273164 is an abundant number, since it is smaller than the sum of its proper divisors (43699124).

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

25273164 is a wasteful number, since it uses less digits than its factorization.

25273164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7054 (or 7052 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 25273164 is about 5027.2421863284. The cubic root of 25273164 is about 293.4629001763.

The spelling of 25273164 in words is "twenty-five million, two hundred seventy-three thousand, one hundred sixty-four".