2551953 has 8 divisors (see below), whose sum is σ = 3450816. Its totient is φ = 1677200.

The previous prime is 2551943. The next prime is 2551957. The reversal of 2551953 is 3591552.

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

It is a cyclic number.

It is not a de Polignac number, because 2551953 - 2⁸ = 2551697 is a prime.

It is a super-2 number, since 2×2551953² = 13024928228418, 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 2551953.

It is not an unprimeable number, because it can be changed into a prime (2551957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5778 + ... + 6203.

It is an arithmetic number, because the mean of its divisors is an integer number (431352).

2^2551953 is an apocalyptic number.

It is an amenable number.

2551953 is a deficient number, since it is larger than the sum of its proper divisors (898863).

2551953 is a wasteful number, since it uses less digits than its factorization.

2551953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12055.

The product of its digits is 6750, while the sum is 30.

The square root of 2551953 is about 1597.4833332464. The cubic root of 2551953 is about 136.6545901154.

The spelling of 2551953 in words is "two million, five hundred fifty-one thousand, nine hundred fifty-three".