3612521157 has 8 divisors (see below), whose sum is σ = 5504794176. Its totient is φ = 2064297792.

The previous prime is 3612521153. The next prime is 3612521161. The reversal of 3612521157 is 7511252163.

It is an interprime number because it is at equal distance from previous prime (3612521153) and next prime (3612521161).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3612521157 - 2² = 3612521153 is a prime.

It is a super-3 number, since 3×3612521157³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3612521153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86012388 + ... + 86012429.

It is an arithmetic number, because the mean of its divisors is an integer number (688099272).

Almost surely, 2^3612521157 is an apocalyptic number.

It is an amenable number.

3612521157 is a deficient number, since it is larger than the sum of its proper divisors (1892273019).

3612521157 is a wasteful number, since it uses less digits than its factorization.

3612521157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172024827.

The product of its digits is 12600, while the sum is 33.

The square root of 3612521157 is about 60104.2524036361. The cubic root of 3612521157 is about 1534.3936755176.

The spelling of 3612521157 in words is "three billion, six hundred twelve million, five hundred twenty-one thousand, one hundred fifty-seven".