7499131 has 2 divisors, whose sum is σ = 7499132. Its totient is φ = 7499130.

The previous prime is 7499119. The next prime is 7499137. The reversal of 7499131 is 1319947.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7499131 is a prime.

It is a super-2 number, since 2×7499131² = 112473931510322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7499137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3749565 + 3749566.

It is an arithmetic number, because the mean of its divisors is an integer number (3749566).

Almost surely, 2^7499131 is an apocalyptic number.

7499131 is a deficient number, since it is larger than the sum of its proper divisors (1).

7499131 is an equidigital number, since it uses as much as digits as its factorization.

7499131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 34.

The square root of 7499131 is about 2738.4541259623. The cubic root of 7499131 is about 195.7358217220.

The spelling of 7499131 in words is "seven million, four hundred ninety-nine thousand, one hundred thirty-one".