253046537 has 4 divisors (see below), whose sum is σ = 253227540. Its totient is φ = 252865536.

The previous prime is 253046533. The next prime is 253046561. The reversal of 253046537 is 735640352.

253046537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28526281 + 224520256 = 5341^2 + 14984^2 .

It is a cyclic number.

It is not a de Polignac number, because 253046537 - 2² = 253046533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253046497 and 253046506.

It is not an unprimeable number, because it can be changed into a prime (253046531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88388 + ... + 91205.

It is an arithmetic number, because the mean of its divisors is an integer number (63306885).

Almost surely, 2^253046537 is an apocalyptic number.

It is an amenable number.

253046537 is a deficient number, since it is larger than the sum of its proper divisors (181003).

253046537 is a wasteful number, since it uses less digits than its factorization.

253046537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181002.

The product of its (nonzero) digits is 75600, while the sum is 35.

The square root of 253046537 is about 15907.4365313837. The cubic root of 253046537 is about 632.5091309800.

Adding to 253046537 its reverse (735640352), we get a palindrome (988686889).

The spelling of 253046537 in words is "two hundred fifty-three million, forty-six thousand, five hundred thirty-seven".