15030901 has 2 divisors, whose sum is σ = 15030902. Its totient is φ = 15030900.

The previous prime is 15030889. The next prime is 15030931. The reversal of 15030901 is 10903051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8910225 + 6120676 = 2985^2 + 2474^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15030901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15030931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7515450 + 7515451.

It is an arithmetic number, because the mean of its divisors is an integer number (7515451).

Almost surely, 2^15030901 is an apocalyptic number.

It is an amenable number.

15030901 is a deficient number, since it is larger than the sum of its proper divisors (1).

15030901 is an equidigital number, since it uses as much as digits as its factorization.

15030901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 15030901 is about 3876.9705957100. The cubic root of 15030901 is about 246.7904433167.

Adding to 15030901 its reverse (10903051), we get a palindrome (25933952).

It can be divided in two parts, 15030 and 901, that added together give a triangular number (15931 = T₁₇₈).

The spelling of 15030901 in words is "fifteen million, thirty thousand, nine hundred one".