25740313 has 8 divisors (see below), whose sum is σ = 26929800. Its totient is φ = 24571008.

The previous prime is 25740293. The next prime is 25740317. The reversal of 25740313 is 31304752.

25740313 = 3587² + 3588².

It can be written as a sum of positive squares in 4 ways, for example, as 15129 + 25725184 = 123^2 + 5072^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25740313 - 2¹³ = 25732121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25740317) 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, 2406 + ... + 7567.

It is an arithmetic number, because the mean of its divisors is an integer number (3366225).

Almost surely, 2^25740313 is an apocalyptic number.

25740313 is the 3588-th centered square number.

It is an amenable number.

25740313 is a deficient number, since it is larger than the sum of its proper divisors (1189487).

25740313 is an equidigital number, since it uses as much as digits as its factorization.

25740313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10091.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 25740313 is about 5073.4912042892. The cubic root of 25740313 is about 295.2599948627.

The spelling of 25740313 in words is "twenty-five million, seven hundred forty thousand, three hundred thirteen".