42262397 has 2 divisors, whose sum is σ = 42262398. Its totient is φ = 42262396.

The previous prime is 42262387. The next prime is 42262427. The reversal of 42262397 is 79326224.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31595641 + 10666756 = 5621^2 + 3266^2 .

It is a cyclic number.

It is not a de Polignac number, because 42262397 - 2⁸ = 42262141 is a prime.

It is a super-2 number, since 2×42262397² = 3572220400371218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42262307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21131198 + 21131199.

It is an arithmetic number, because the mean of its divisors is an integer number (21131199).

Almost surely, 2^42262397 is an apocalyptic number.

It is an amenable number.

42262397 is a deficient number, since it is larger than the sum of its proper divisors (1).

42262397 is an equidigital number, since it uses as much as digits as its factorization.

42262397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 35.

The square root of 42262397 is about 6500.9535454424. The cubic root of 42262397 is about 348.3250502572.

The spelling of 42262397 in words is "forty-two million, two hundred sixty-two thousand, three hundred ninety-seven".