253026045 has 32 divisors (see below), whose sum is σ = 476288640. Its totient is φ = 127008000.

The previous prime is 253026029. The next prime is 253026049. The reversal of 253026045 is 540620352.

253026045 is a `hidden beast` number, since 2 + 53 + 0 + 2 + 604 + 5 = 666.

It is not a de Polignac number, because 253026045 - 2⁴ = 253026029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253026049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52831 + ... + 57420.

It is an arithmetic number, because the mean of its divisors is an integer number (14884020).

Almost surely, 2^253026045 is an apocalyptic number.

It is an amenable number.

253026045 is a deficient number, since it is larger than the sum of its proper divisors (223262595).

253026045 is a wasteful number, since it uses less digits than its factorization.

253026045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110282 (or 110276 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 253026045 is about 15906.7924170777. The cubic root of 253026045 is about 632.4920567464.

Adding to 253026045 its reverse (540620352), we get a palindrome (793646397).

The spelling of 253026045 in words is "two hundred fifty-three million, twenty-six thousand, forty-five".