253615061 has 16 divisors (see below), whose sum is σ = 316800000. Its totient is φ = 197994240.

The previous prime is 253615039. The next prime is 253615073. The reversal of 253615061 is 160516352.

It is not a de Polignac number, because 253615061 - 2¹⁸ = 253352917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253615081) 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 15 ways as a sum of consecutive naturals, for example, 30686 + ... + 38063.

It is an arithmetic number, because the mean of its divisors is an integer number (19800000).

Almost surely, 2^253615061 is an apocalyptic number.

It is an amenable number.

253615061 is a deficient number, since it is larger than the sum of its proper divisors (63184939).

253615061 is a wasteful number, since it uses less digits than its factorization.

253615061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68804.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 253615061 is about 15925.2962609805. The cubic root of 253615061 is about 632.9824663818.

The spelling of 253615061 in words is "two hundred fifty-three million, six hundred fifteen thousand, sixty-one".