374511997 has 2 divisors, whose sum is σ = 374511998. Its totient is φ = 374511996.

The previous prime is 374511979. The next prime is 374512043. The reversal of 374511997 is 799115473.

Together with previous prime (374511979) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (374512043) can be obtained adding 374511997 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230007556 + 144504441 = 15166^2 + 12021^2 .

It is a cyclic number.

It is not a de Polignac number, because 374511997 - 2²³ = 366123389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (374518997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187255998 + 187255999.

It is an arithmetic number, because the mean of its divisors is an integer number (187255999).

Almost surely, 2^374511997 is an apocalyptic number.

It is an amenable number.

374511997 is a deficient number, since it is larger than the sum of its proper divisors (1).

374511997 is an equidigital number, since it uses as much as digits as its factorization.

374511997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 238140, while the sum is 46.

The square root of 374511997 is about 19352.3124458035. The cubic root of 374511997 is about 720.8118395349.

The spelling of 374511997 in words is "three hundred seventy-four million, five hundred eleven thousand, nine hundred ninety-seven".