253651542 has 16 divisors (see below), whose sum is σ = 515620272. Its totient is φ = 83164320.

The previous prime is 253651537. The next prime is 253651553. The reversal of 253651542 is 245156352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346153 + ... + 346884.

It is an arithmetic number, because the mean of its divisors is an integer number (32226267).

Almost surely, 2^253651542 is an apocalyptic number.

253651542 is an abundant number, since it is smaller than the sum of its proper divisors (261968730).

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

253651542 is a wasteful number, since it uses less digits than its factorization.

253651542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693103.

The product of its digits is 36000, while the sum is 33.

The square root of 253651542 is about 15926.4415988004. The cubic root of 253651542 is about 633.0128151660.

The spelling of 253651542 in words is "two hundred fifty-three million, six hundred fifty-one thousand, five hundred forty-two".