245525 has 24 divisors (see below), whose sum is σ = 369024. Its totient is φ = 158400.

The previous prime is 245521. The next prime is 245527. The reversal of 245525 is 525542.

It is not a de Polignac number, because 245525 - 2² = 245521 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3995 + ... + 4055.

It is an arithmetic number, because the mean of its divisors is an integer number (15376).

2²⁴⁵⁵²⁵ is an apocalyptic number.

245525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245525 is a deficient number, since it is larger than the sum of its proper divisors (123499).

245525 is a wasteful number, since it uses less digits than its factorization.

245525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 96 counting only the distinct ones).

The product of its digits is 2000, while the sum is 23.

The square root of 245525 is about 495.5047931151. The cubic root of 245525 is about 62.6179107463.

It can be divided in two parts, 24552 and 5, that multiplied together give a triangular number (122760 = T₄₉₅).

The spelling of 245525 in words is "two hundred forty-five thousand, five hundred twenty-five".