561007373 has 2 divisors, whose sum is σ = 561007374. Its totient is φ = 561007372.

The previous prime is 561007367. The next prime is 561007397. The reversal of 561007373 is 373700165.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 560600329 + 407044 = 23677^2 + 638^2 .

It is a cyclic number.

It is not a de Polignac number, because 561007373 - 2²⁴ = 544230157 is a prime.

It is a super-2 number, since 2×561007373² = 629458545120722258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (561007303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280503686 + 280503687.

It is an arithmetic number, because the mean of its divisors is an integer number (280503687).

Almost surely, 2^561007373 is an apocalyptic number.

It is an amenable number.

561007373 is a deficient number, since it is larger than the sum of its proper divisors (1).

561007373 is an equidigital number, since it uses as much as digits as its factorization.

561007373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13230, while the sum is 32.

The square root of 561007373 is about 23685.5942082946. The cubic root of 561007373 is about 824.7510105055.

The spelling of 561007373 in words is "five hundred sixty-one million, seven thousand, three hundred seventy-three".