253512154260 has 72 divisors (see below), whose sum is σ = 769303230696. Its totient is φ = 67575429120.

The previous prime is 253512154223. The next prime is 253512154261. The reversal of 253512154260 is 62451215352.

253512154260 is a `hidden beast` number, since 2 + 5 + 3 + 51 + 2 + 1 + 542 + 60 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 16016004 + 253496138256 = 4002^2 + 503484^2 .

It is a super-2 number, since 2×253512154260² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253512154261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150892 + ... + 727868.

It is an arithmetic number, because the mean of its divisors is an integer number (10684767093).

Almost surely, 2^253512154260 is an apocalyptic number.

253512154260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253512154260 is an abundant number, since it is smaller than the sum of its proper divisors (515791076436).

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

253512154260 is a wasteful number, since it uses less digits than its factorization.

253512154260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579433 (or 579428 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 253512154260 in words is "two hundred fifty-three billion, five hundred twelve million, one hundred fifty-four thousand, two hundred sixty".