25263780 has 48 divisors (see below), whose sum is σ = 71051904. Its totient is φ = 6707200.

The previous prime is 25263779. The next prime is 25263793. The reversal of 25263780 is 8736252.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14980 + ... + 16580.

It is an arithmetic number, because the mean of its divisors is an integer number (1480248).

Almost surely, 2^25263780 is an apocalyptic number.

25263780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25263780 is an abundant number, since it is smaller than the sum of its proper divisors (45788124).

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

25263780 is a wasteful number, since it uses less digits than its factorization.

25263780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876 (or 1874 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 25263780 is about 5026.3087847843. The cubic root of 25263780 is about 293.4265744678.

The spelling of 25263780 in words is "twenty-five million, two hundred sixty-three thousand, seven hundred eighty".