253487061 has 12 divisors (see below), whose sum is σ = 368173260. Its totient is φ = 168056640.

The previous prime is 253487053. The next prime is 253487077. The reversal of 253487061 is 160784352.

It can be written as a sum of positive squares in 2 ways, for example, as 36072036 + 217415025 = 6006^2 + 14745^2 .

It is not a de Polignac number, because 253487061 - 2³ = 253487053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253487011) 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 11 ways as a sum of consecutive naturals, for example, 76176 + ... + 79433.

It is an arithmetic number, because the mean of its divisors is an integer number (30681105).

Almost surely, 2^253487061 is an apocalyptic number.

It is an amenable number.

253487061 is a deficient number, since it is larger than the sum of its proper divisors (114686199).

253487061 is a wasteful number, since it uses less digits than its factorization.

253487061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155796 (or 155793 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 253487061 is about 15921.2769902417. The cubic root of 253487061 is about 632.8759593132.

The spelling of 253487061 in words is "two hundred fifty-three million, four hundred eighty-seven thousand, sixty-one".