374121653 has 2 divisors, whose sum is σ = 374121654. Its totient is φ = 374121652.

The previous prime is 374121637. The next prime is 374121659. The reversal of 374121653 is 356121473.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 368371249 + 5750404 = 19193^2 + 2398^2 .

It is a cyclic number.

It is not a de Polignac number, because 374121653 - 2⁴ = 374121637 is a prime.

It is a super-2 number, since 2×374121653² = 279934022486904818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (374121659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187060826 + 187060827.

It is an arithmetic number, because the mean of its divisors is an integer number (187060827).

Almost surely, 2^374121653 is an apocalyptic number.

It is an amenable number.

374121653 is a deficient number, since it is larger than the sum of its proper divisors (1).

374121653 is an equidigital number, since it uses as much as digits as its factorization.

374121653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 32.

The square root of 374121653 is about 19342.2246135236. The cubic root of 374121653 is about 720.5613247419.

The spelling of 374121653 in words is "three hundred seventy-four million, one hundred twenty-one thousand, six hundred fifty-three".