151667401 has 2 divisors, whose sum is σ = 151667402. Its totient is φ = 151667400.

The previous prime is 151667381. The next prime is 151667413. The reversal of 151667401 is 104766151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142205625 + 9461776 = 11925^2 + 3076^2 .

It is a cyclic number.

It is not a de Polignac number, because 151667401 - 2⁷ = 151667273 is a prime.

It is not a weakly prime, because it can be changed into another prime (151667441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75833700 + 75833701.

It is an arithmetic number, because the mean of its divisors is an integer number (75833701).

Almost surely, 2^151667401 is an apocalyptic number.

It is an amenable number.

151667401 is a deficient number, since it is larger than the sum of its proper divisors (1).

151667401 is an equidigital number, since it uses as much as digits as its factorization.

151667401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 151667401 is about 12315.3319484292. The cubic root of 151667401 is about 533.2907877085.

The spelling of 151667401 in words is "one hundred fifty-one million, six hundred sixty-seven thousand, four hundred one".