2515554253 has 4 divisors (see below), whose sum is σ = 2541487900. Its totient is φ = 2489620608.

The previous prime is 2515554247. The next prime is 2515554269. The reversal of 2515554253 is 3524555152.

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 610930089 + 1904624164 = 24717^2 + 43642^2 .

It is a cyclic number.

It is not a de Polignac number, because 2515554253 - 2⁹ = 2515553741 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 (2515554053) 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, 12966678 + ... + 12966871.

It is an arithmetic number, because the mean of its divisors is an integer number (635371975).

Almost surely, 2^2515554253 is an apocalyptic number.

It is an amenable number.

2515554253 is a deficient number, since it is larger than the sum of its proper divisors (25933647).

2515554253 is an equidigital number, since it uses as much as digits as its factorization.

2515554253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25933646.

The product of its digits is 150000, while the sum is 37.

The square root of 2515554253 is about 50155.3013449227. The cubic root of 2515554253 is about 1360.0177068413.

The spelling of 2515554253 in words is "two billion, five hundred fifteen million, five hundred fifty-four thousand, two hundred fifty-three".