2630251 has 4 divisors (see below), whose sum is σ = 2832592. Its totient is φ = 2427912.

The previous prime is 2630239. The next prime is 2630281. The reversal of 2630251 is 1520362.

It is a happy number.

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 2630251 - 2¹⁷ = 2499179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2630281) 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, 101151 + ... + 101176.

It is an arithmetic number, because the mean of its divisors is an integer number (708148).

2^2630251 is an apocalyptic number.

2630251 is a deficient number, since it is larger than the sum of its proper divisors (202341).

2630251 is a wasteful number, since it uses less digits than its factorization.

2630251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202340.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2630251 is about 1621.8048587916. The cubic root of 2630251 is about 138.0381292105.

The spelling of 2630251 in words is "two million, six hundred thirty thousand, two hundred fifty-one".