3561158 has 4 divisors (see below), whose sum is σ = 5341740. Its totient is φ = 1780578.

The previous prime is 3561149. The next prime is 3561167. The reversal of 3561158 is 8511653.

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

It is an interprime number because it is at equal distance from previous prime (3561149) and next prime (3561167).

It is a self number, because there is not a number n which added to its sum of digits gives 3561158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 890288 + ... + 890291.

It is an arithmetic number, because the mean of its divisors is an integer number (1335435).

Almost surely, 2^3561158 is an apocalyptic number.

3561158 is a deficient number, since it is larger than the sum of its proper divisors (1780582).

3561158 is a wasteful number, since it uses less digits than its factorization.

3561158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780581.

The product of its digits is 3600, while the sum is 29.

The square root of 3561158 is about 1887.1030708470. The cubic root of 3561158 is about 152.7086885800.

The spelling of 3561158 in words is "three million, five hundred sixty-one thousand, one hundred fifty-eight".