7612531 has 2 divisors, whose sum is σ = 7612532. Its totient is φ = 7612530.

The previous prime is 7612489. The next prime is 7612537. The reversal of 7612531 is 1352167.

It is a strong prime.

It is an emirp because it is prime and its reverse (1352167) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7612531 - 2⁷ = 7612403 is a prime.

It is a super-2 number, since 2×7612531² = 115901256451922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7612496 and 7612505.

It is not a weakly prime, because it can be changed into another prime (7612537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3806265 + 3806266.

It is an arithmetic number, because the mean of its divisors is an integer number (3806266).

Almost surely, 2^7612531 is an apocalyptic number.

7612531 is a deficient number, since it is larger than the sum of its proper divisors (1).

7612531 is an equidigital number, since it uses as much as digits as its factorization.

7612531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 25.

The square root of 7612531 is about 2759.0815500815. The cubic root of 7612531 is about 196.7175127876.

Adding to 7612531 its reverse (1352167), we get a palindrome (8964698).

The spelling of 7612531 in words is "seven million, six hundred twelve thousand, five hundred thirty-one".