1525350901 has 2 divisors, whose sum is σ = 1525350902. Its totient is φ = 1525350900.

The previous prime is 1525350887. The next prime is 1525350907. The reversal of 1525350901 is 1090535251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1492276900 + 33074001 = 38630^2 + 5751^2 .

It is a cyclic number.

It is not a de Polignac number, because 1525350901 - 2²¹ = 1523253749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1525350907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 762675450 + 762675451.

It is an arithmetic number, because the mean of its divisors is an integer number (762675451).

Almost surely, 2^1525350901 is an apocalyptic number.

It is an amenable number.

1525350901 is a deficient number, since it is larger than the sum of its proper divisors (1).

1525350901 is an equidigital number, since it uses as much as digits as its factorization.

1525350901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6750, while the sum is 31.

The square root of 1525350901 is about 39055.7409480348. The cubic root of 1525350901 is about 1151.1270365065.

It can be divided in two parts, 1525350 and 901, that added together give a palindrome (1526251).

The spelling of 1525350901 in words is "one billion, five hundred twenty-five million, three hundred fifty thousand, nine hundred one".