610142531 has 2 divisors, whose sum is σ = 610142532. Its totient is φ = 610142530.

The previous prime is 610142501. The next prime is 610142537. The reversal of 610142531 is 135241016.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-610142531 is a prime.

It is a super-2 number, since 2×610142531² = 744547816270171922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 610142497 and 610142506.

It is not a weakly prime, because it can be changed into another prime (610142537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305071265 + 305071266.

It is an arithmetic number, because the mean of its divisors is an integer number (305071266).

Almost surely, 2^610142531 is an apocalyptic number.

610142531 is a deficient number, since it is larger than the sum of its proper divisors (1).

610142531 is an equidigital number, since it uses as much as digits as its factorization.

610142531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 610142531 is about 24701.0633576775. The cubic root of 610142531 is about 848.1586580696.

Adding to 610142531 its reverse (135241016), we get a palindrome (745383547).

The spelling of 610142531 in words is "six hundred ten million, one hundred forty-two thousand, five hundred thirty-one".