253573245 has 24 divisors (see below), whose sum is σ = 454685400. Its totient is φ = 130574976.

The previous prime is 253573231. The next prime is 253573249. The reversal of 253573245 is 542375352.

It can be written as a sum of positive squares in 4 ways, for example, as 59305401 + 194267844 = 7701^2 + 13938^2 .

It is not a de Polignac number, because 253573245 - 2⁵ = 253573213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253573249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95850 + ... + 98459.

It is an arithmetic number, because the mean of its divisors is an integer number (18945225).

Almost surely, 2^253573245 is an apocalyptic number.

It is an amenable number.

253573245 is a deficient number, since it is larger than the sum of its proper divisors (201112155).

253573245 is a wasteful number, since it uses less digits than its factorization.

253573245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194349 (or 194346 counting only the distinct ones).

The product of its digits is 126000, while the sum is 36.

The square root of 253573245 is about 15923.9833270448. The cubic root of 253573245 is about 632.9476757960.

The spelling of 253573245 in words is "two hundred fifty-three million, five hundred seventy-three thousand, two hundred forty-five".