2366551 has 4 divisors (see below), whose sum is σ = 2581704. Its totient is φ = 2151400.

The previous prime is 2366543. The next prime is 2366627. The reversal of 2366551 is 1556632.

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 2366551 - 2³ = 2366543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2366521) 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, 107560 + ... + 107581.

It is an arithmetic number, because the mean of its divisors is an integer number (645426).

2^2366551 is an apocalyptic number.

2366551 is a deficient number, since it is larger than the sum of its proper divisors (215153).

2366551 is a wasteful number, since it uses less digits than its factorization.

2366551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215152.

The product of its digits is 5400, while the sum is 28.

The square root of 2366551 is about 1538.3598408695. The cubic root of 2366551 is about 133.2616816410.

It can be divided in two parts, 23665 and 51, that added together give a square (23716 = 154²).

The spelling of 2366551 in words is "two million, three hundred sixty-six thousand, five hundred fifty-one".