825252151 has 4 divisors (see below), whose sum is σ = 835195032. Its totient is φ = 815309272.

The previous prime is 825252143. The next prime is 825252157. The reversal of 825252151 is 151252528.

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

It is a cyclic number.

It is not a de Polignac number, because 825252151 - 2³ = 825252143 is a prime.

It is a super-2 number, since 2×825252151² = 1362082225460253602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825252157) 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, 4971316 + ... + 4971481.

It is an arithmetic number, because the mean of its divisors is an integer number (208798758).

Almost surely, 2^825252151 is an apocalyptic number.

825252151 is a deficient number, since it is larger than the sum of its proper divisors (9942881).

825252151 is an equidigital number, since it uses as much as digits as its factorization.

825252151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9942880.

The product of its digits is 8000, while the sum is 31.

The square root of 825252151 is about 28727.2022828538. The cubic root of 825252151 is about 937.9842692961.

The spelling of 825252151 in words is "eight hundred twenty-five million, two hundred fifty-two thousand, one hundred fifty-one".