25049330 has 32 divisors (see below), whose sum is σ = 49397040. Its totient is φ = 9103360.

The previous prime is 25049327. The next prime is 25049363. The reversal of 25049330 is 3394052.

It can be written as a sum of positive squares in 8 ways, for example, as 9690769 + 15358561 = 3113^2 + 3919^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25049330.

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, 2390 + ... + 7470.

Almost surely, 2^25049330 is an apocalyptic number.

25049330 is a deficient number, since it is larger than the sum of its proper divisors (24347710).

25049330 is a wasteful number, since it uses less digits than its factorization.

25049330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5134.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 25049330 is about 5004.9305689490. The cubic root of 25049330 is about 292.5939698563.

The spelling of 25049330 in words is "twenty-five million, forty-nine thousand, three hundred thirty".