1052251515 has 96 divisors (see below), whose sum is σ = 2175713280. Its totient is φ = 460276992.

The previous prime is 1052251513. The next prime is 1052251517. The reversal of 1052251515 is 5151522501.

It is an interprime number because it is at equal distance from previous prime (1052251513) and next prime (1052251517).

It is not a de Polignac number, because 1052251515 - 2¹ = 1052251513 is a prime.

It is a super-2 number, since 2×1052251515² = 2214466501639590450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1052251513) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1159692 + ... + 1160598.

It is an arithmetic number, because the mean of its divisors is an integer number (22663680).

Almost surely, 2^1052251515 is an apocalyptic number.

1052251515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1052251515 is an abundant number, since it is smaller than the sum of its proper divisors (1123461765).

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

1052251515 is a wasteful number, since it uses less digits than its factorization.

1052251515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081 (or 1078 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 27.

The square root of 1052251515 is about 32438.4265185597. The cubic root of 1052251515 is about 1017.1223244004.

The spelling of 1052251515 in words is "one billion, fifty-two million, two hundred fifty-one thousand, five hundred fifteen".