61245007 has 2 divisors, whose sum is σ = 61245008. Its totient is φ = 61245006.

The previous prime is 61245001. The next prime is 61245011. The reversal of 61245007 is 70054216.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61245007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61245001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30622503 + 30622504.

It is an arithmetic number, because the mean of its divisors is an integer number (30622504).

Almost surely, 2^61245007 is an apocalyptic number.

61245007 is a deficient number, since it is larger than the sum of its proper divisors (1).

61245007 is an equidigital number, since it uses as much as digits as its factorization.

61245007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 61245007 is about 7825.9189236792. The cubic root of 61245007 is about 394.1760467105.

The spelling of 61245007 in words is "sixty-one million, two hundred forty-five thousand, seven".