25498434 has 16 divisors (see below), whose sum is σ = 54919872. Its totient is φ = 7845648.

The previous prime is 25498409. The next prime is 25498469. The reversal of 25498434 is 43489452.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 25498392 and 25498401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163374 + ... + 163529.

It is an arithmetic number, because the mean of its divisors is an integer number (3432492).

Almost surely, 2^25498434 is an apocalyptic number.

25498434 is an abundant number, since it is smaller than the sum of its proper divisors (29421438).

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

25498434 is a wasteful number, since it uses less digits than its factorization.

25498434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326921.

The product of its digits is 138240, while the sum is 39.

The square root of 25498434 is about 5049.5974096952. The cubic root of 25498434 is about 294.3322404434.

The spelling of 25498434 in words is "twenty-five million, four hundred ninety-eight thousand, four hundred thirty-four".