1525314061 has 2 divisors, whose sum is σ = 1525314062. Its totient is φ = 1525314060.

The previous prime is 1525313971. The next prime is 1525314071. The reversal of 1525314061 is 1604135251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1435652100 + 89661961 = 37890^2 + 9469^2 .

It is an emirp because it is prime and its reverse (1604135251) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1525314061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1525314071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 762657030 + 762657031.

It is an arithmetic number, because the mean of its divisors is an integer number (762657031).

Almost surely, 2^1525314061 is an apocalyptic number.

It is an amenable number.

1525314061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1525314061 is an equidigital number, since it uses as much as digits as its factorization.

1525314061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1525314061 is about 39055.2693115795. The cubic root of 1525314061 is about 1151.1177691610.

The spelling of 1525314061 in words is "one billion, five hundred twenty-five million, three hundred fourteen thousand, sixty-one".