1501274501 has 2 divisors, whose sum is σ = 1501274502. Its totient is φ = 1501274500.

The previous prime is 1501274483. The next prime is 1501274503. The reversal of 1501274501 is 1054721051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1440278401 + 60996100 = 37951^2 + 7810^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1501274501 is a prime.

Together with 1501274503, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1501274503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 750637250 + 750637251.

It is an arithmetic number, because the mean of its divisors is an integer number (750637251).

Almost surely, 2^1501274501 is an apocalyptic number.

It is an amenable number.

1501274501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1501274501 is an equidigital number, since it uses as much as digits as its factorization.

1501274501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 1501274501 is about 38746.2837056665. The cubic root of 1501274501 is about 1145.0383595394.

Adding to 1501274501 its reverse (1054721051), we get a palindrome (2555995552).

The spelling of 1501274501 in words is "one billion, five hundred one million, two hundred seventy-four thousand, five hundred one".