151000621 has 2 divisors, whose sum is σ = 151000622. Its totient is φ = 151000620.

The previous prime is 151000583. The next prime is 151000723. The reversal of 151000621 is 126000151.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96314596 + 54686025 = 9814^2 + 7395^2 .

It is a cyclic number.

It is not a de Polignac number, because 151000621 - 2¹⁵ = 150967853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 151000595 and 151000604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151000121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75500310 + 75500311.

It is an arithmetic number, because the mean of its divisors is an integer number (75500311).

Almost surely, 2^151000621 is an apocalyptic number.

It is an amenable number.

151000621 is a deficient number, since it is larger than the sum of its proper divisors (1).

151000621 is an equidigital number, since it uses as much as digits as its factorization.

151000621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 151000621 is about 12288.2309955502. The cubic root of 151000621 is about 532.5081321541.

Adding to 151000621 its reverse (126000151), we get a palindrome (277000772).

The spelling of 151000621 in words is "one hundred fifty-one million, six hundred twenty-one", and thus it is an aban number.