253231542 has 16 divisors (see below), whose sum is σ = 562736880. Its totient is φ = 84410496.

The previous prime is 253231519. The next prime is 253231549. The reversal of 253231542 is 245132352.

It is a happy number.

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 (253231549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2344683 + ... + 2344790.

It is an arithmetic number, because the mean of its divisors is an integer number (35171055).

Almost surely, 2^253231542 is an apocalyptic number.

253231542 is an abundant number, since it is smaller than the sum of its proper divisors (309505338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253231542 is a wasteful number, since it uses less digits than its factorization.

253231542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4689484 (or 4689478 counting only the distinct ones).

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

The square root of 253231542 is about 15913.2505164721. The cubic root of 253231542 is about 632.6632381351.

Adding to 253231542 its reverse (245132352), we get a palindrome (498363894).

The spelling of 253231542 in words is "two hundred fifty-three million, two hundred thirty-one thousand, five hundred forty-two".