253552501 has 4 divisors (see below), whose sum is σ = 268467372. Its totient is φ = 238637632.

The previous prime is 253552499. The next prime is 253552517. The reversal of 253552501 is 105255352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 169390225 + 84162276 = 13015^2 + 9174^2 .

It is a cyclic number.

It is not a de Polignac number, because 253552501 - 2¹ = 253552499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 253552501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253552591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7457410 + ... + 7457443.

It is an arithmetic number, because the mean of its divisors is an integer number (67116843).

Almost surely, 2^253552501 is an apocalyptic number.

It is an amenable number.

253552501 is a deficient number, since it is larger than the sum of its proper divisors (14914871).

253552501 is a wasteful number, since it uses less digits than its factorization.

253552501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14914870.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 253552501 is about 15923.3319691577. The cubic root of 253552501 is about 632.9304155304.

The spelling of 253552501 in words is "two hundred fifty-three million, five hundred fifty-two thousand, five hundred one".