2506351 has 4 divisors (see below), whose sum is σ = 2536632. Its totient is φ = 2476072.

The previous prime is 2506337. The next prime is 2506363. The reversal of 2506351 is 1536052.

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 2506351 - 2⁷ = 2506223 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2506321) 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, 15016 + ... + 15181.

It is an arithmetic number, because the mean of its divisors is an integer number (634158).

2^2506351 is an apocalyptic number.

2506351 is a deficient number, since it is larger than the sum of its proper divisors (30281).

2506351 is an equidigital number, since it uses as much as digits as its factorization.

2506351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30280.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 2506351 is about 1583.1459187327. The cubic root of 2506351 is about 135.8357120873.

Subtracting from 2506351 its reverse (1536052), we obtain a cube (970299 = 99³).

The spelling of 2506351 in words is "two million, five hundred six thousand, three hundred fifty-one".