25234490 has 16 divisors (see below), whose sum is σ = 45970848. Its totient is φ = 9971856.

The previous prime is 25234471. The next prime is 25234493. The reversal of 25234490 is 9443252.

25234490 = 93² + 94² + ... + 424².

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25234493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14372 + ... + 16031.

It is an arithmetic number, because the mean of its divisors is an integer number (2873178).

Almost surely, 2^25234490 is an apocalyptic number.

25234490 is a deficient number, since it is larger than the sum of its proper divisors (20736358).

25234490 is a wasteful number, since it uses less digits than its factorization.

25234490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30493.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 25234490 is about 5023.3942708093. The cubic root of 25234490 is about 293.3131342266.

The spelling of 25234490 in words is "twenty-five million, two hundred thirty-four thousand, four hundred ninety".