25469420 has 12 divisors (see below), whose sum is σ = 53485824. Its totient is φ = 10187760.

The previous prime is 25469419. The next prime is 25469429. The reversal of 25469420 is 2496452.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (25469429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 636716 + ... + 636755.

It is an arithmetic number, because the mean of its divisors is an integer number (4457152).

Almost surely, 2^25469420 is an apocalyptic number.

25469420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25469420 is an abundant number, since it is smaller than the sum of its proper divisors (28016404).

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

25469420 is a wasteful number, since it uses less digits than its factorization.

25469420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273480 (or 1273478 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 25469420 is about 5046.7236896822. The cubic root of 25469420 is about 294.2205604251.

The spelling of 25469420 in words is "twenty-five million, four hundred sixty-nine thousand, four hundred twenty".