42151097 has 2 divisors, whose sum is σ = 42151098. Its totient is φ = 42151096.

The previous prime is 42151093. The next prime is 42151117. The reversal of 42151097 is 79015124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41938576 + 212521 = 6476^2 + 461^2 .

It is a cyclic number.

It is not a de Polignac number, because 42151097 - 2² = 42151093 is a prime.

It is not a weakly prime, because it can be changed into another prime (42151093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21075548 + 21075549.

It is an arithmetic number, because the mean of its divisors is an integer number (21075549).

Almost surely, 2^42151097 is an apocalyptic number.

It is an amenable number.

42151097 is a deficient number, since it is larger than the sum of its proper divisors (1).

42151097 is an equidigital number, since it uses as much as digits as its factorization.

42151097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 42151097 is about 6492.3876193585. The cubic root of 42151097 is about 348.0190046652.

The spelling of 42151097 in words is "forty-two million, one hundred fifty-one thousand, ninety-seven".