42403607 has 2 divisors, whose sum is σ = 42403608. Its totient is φ = 42403606.

The previous prime is 42403561. The next prime is 42403637. The reversal of 42403607 is 70630424.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42403607 - 2¹⁰ = 42402583 is a prime.

It is a super-2 number, since 2×42403607² = 3596131773220898, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42403637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21201803 + 21201804.

It is an arithmetic number, because the mean of its divisors is an integer number (21201804).

Almost surely, 2^42403607 is an apocalyptic number.

42403607 is a deficient number, since it is larger than the sum of its proper divisors (1).

42403607 is an equidigital number, since it uses as much as digits as its factorization.

42403607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 42403607 is about 6511.8052028604. The cubic root of 42403607 is about 348.7125681060.

The spelling of 42403607 in words is "forty-two million, four hundred three thousand, six hundred seven".