5051531 has 2 divisors, whose sum is σ = 5051532. Its totient is φ = 5051530.

The previous prime is 5051509. The next prime is 5051581. The reversal of 5051531 is 1351505.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5051531 is a prime.

It is a super-2 number, since 2×5051531² = 51035930887922, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (5051581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525765 + 2525766.

It is an arithmetic number, because the mean of its divisors is an integer number (2525766).

Almost surely, 2^5051531 is an apocalyptic number.

5051531 is a deficient number, since it is larger than the sum of its proper divisors (1).

5051531 is an equidigital number, since it uses as much as digits as its factorization.

5051531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 375, while the sum is 20.

The square root of 5051531 is about 2247.5611226394. The cubic root of 5051531 is about 171.5830331716.

The spelling of 5051531 in words is "five million, fifty-one thousand, five hundred thirty-one".