25434630 has 48 divisors (see below), whose sum is σ = 71220240. Its totient is φ = 6260544.

The previous prime is 25434613. The next prime is 25434641. The reversal of 25434630 is 3643452.

25434630 is a `hidden beast` number, since 25 + 4 + 3 + 4 + 630 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 25434594 and 25434603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9700 + ... + 12039.

It is an arithmetic number, because the mean of its divisors is an integer number (1483755).

Almost surely, 2^25434630 is an apocalyptic number.

25434630 is an abundant number, since it is smaller than the sum of its proper divisors (45785610).

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

25434630 is a wasteful number, since it uses less digits than its factorization.

25434630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21765 (or 21762 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 25434630 is about 5043.2757211955. The cubic root of 25434630 is about 294.0865356817.

The spelling of 25434630 in words is "twenty-five million, four hundred thirty-four thousand, six hundred thirty".