151949701 has 2 divisors, whose sum is σ = 151949702. Its totient is φ = 151949700.

The previous prime is 151949687. The next prime is 151949717. The reversal of 151949701 is 107949151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85119076 + 66830625 = 9226^2 + 8175^2 .

It is an emirp because it is prime and its reverse (107949151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 151949701 - 2¹⁷ = 151818629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151949801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75974850 + 75974851.

It is an arithmetic number, because the mean of its divisors is an integer number (75974851).

Almost surely, 2^151949701 is an apocalyptic number.

It is an amenable number.

151949701 is a deficient number, since it is larger than the sum of its proper divisors (1).

151949701 is an equidigital number, since it uses as much as digits as its factorization.

151949701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 37.

The square root of 151949701 is about 12326.7879433371. The cubic root of 151949701 is about 533.6214557347.

The spelling of 151949701 in words is "one hundred fifty-one million, nine hundred forty-nine thousand, seven hundred one".