3551157 has 18 divisors (see below), whose sum is σ = 5418582. Its totient is φ = 2240784.

The previous prime is 3551123. The next prime is 3551161. The reversal of 3551157 is 7511553.

It can be written as a sum of positive squares in only one way, i.e., 3538161 + 12996 = 1881^2 + 114^2 .

It is not a de Polignac number, because 3551157 - 2⁷ = 3551029 is a prime.

It is a super-2 number, since 2×3551157² = 25221432077298, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3551157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3551057) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2703 + ... + 3795.

Almost surely, 2^3551157 is an apocalyptic number.

It is an amenable number.

3551157 is a deficient number, since it is larger than the sum of its proper divisors (1867425).

3551157 is a wasteful number, since it uses less digits than its factorization.

3551157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137 (or 1115 counting only the distinct ones).

The product of its digits is 2625, while the sum is 27.

The square root of 3551157 is about 1884.4513790491. The cubic root of 3551157 is about 152.5656010874.

It can be divided in two parts, 3 and 551157, that multiplied together give a triangular number (1653471 = T₁₈₁₈).

The spelling of 3551157 in words is "three million, five hundred fifty-one thousand, one hundred fifty-seven".