375628997 has 2 divisors, whose sum is σ = 375628998. Its totient is φ = 375628996.

The previous prime is 375628969. The next prime is 375629057. The reversal of 375628997 is 799826573.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 287438116 + 88190881 = 16954^2 + 9391^2 .

It is a cyclic number.

It is not a de Polignac number, because 375628997 - 2¹² = 375624901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (375628907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187814498 + 187814499.

It is an arithmetic number, because the mean of its divisors is an integer number (187814499).

Almost surely, 2^375628997 is an apocalyptic number.

It is an amenable number.

375628997 is a deficient number, since it is larger than the sum of its proper divisors (1).

375628997 is an equidigital number, since it uses as much as digits as its factorization.

375628997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5715360, while the sum is 56.

The square root of 375628997 is about 19381.1505592418. The cubic root of 375628997 is about 721.5277468952.

The spelling of 375628997 in words is "three hundred seventy-five million, six hundred twenty-eight thousand, nine hundred ninety-seven".