1501255253 has 4 divisors (see below), whose sum is σ = 1501379148. Its totient is φ = 1501131360.

The previous prime is 1501255237. The next prime is 1501255271. The reversal of 1501255253 is 3525521051.

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 121727089 + 1379528164 = 11033^2 + 37142^2 .

It is a cyclic number.

It is not a de Polignac number, because 1501255253 - 2⁴ = 1501255237 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 (1501255753) 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, 41528 + ... + 68753.

It is an arithmetic number, because the mean of its divisors is an integer number (375344787).

Almost surely, 2^1501255253 is an apocalyptic number.

It is an amenable number.

1501255253 is a deficient number, since it is larger than the sum of its proper divisors (123895).

1501255253 is a wasteful number, since it uses less digits than its factorization.

1501255253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123894.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 1501255253 is about 38746.0353197588. The cubic root of 1501255253 is about 1145.0334659657.

The spelling of 1501255253 in words is "one billion, five hundred one million, two hundred fifty-five thousand, two hundred fifty-three".