265749245 has 32 divisors (see below), whose sum is σ = 346477824. Its totient is φ = 195148800.

The previous prime is 265749241. The next prime is 265749247. The reversal of 265749245 is 542947562.

It is not a de Polignac number, because 265749245 - 2² = 265749241 is a prime.

It is a super-2 number, since 2×265749245² = 141245322436140050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 265749196 and 265749205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265749241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 301205 + ... + 302085.

It is an arithmetic number, because the mean of its divisors is an integer number (10827432).

Almost surely, 2^265749245 is an apocalyptic number.

It is an amenable number.

265749245 is a deficient number, since it is larger than the sum of its proper divisors (80728579).

265749245 is a wasteful number, since it uses less digits than its factorization.

265749245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013.

The product of its digits is 604800, while the sum is 44.

The square root of 265749245 is about 16301.8172299900. The cubic root of 265749245 is about 642.9206075733.

The spelling of 265749245 in words is "two hundred sixty-five million, seven hundred forty-nine thousand, two hundred forty-five".