1513425451 has 2 divisors, whose sum is σ = 1513425452. Its totient is φ = 1513425450.

The previous prime is 1513425439. The next prime is 1513425457. The reversal of 1513425451 is 1545243151.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1513425451 is a prime.

It is not a weakly prime, because it can be changed into another prime (1513425457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756712725 + 756712726.

It is an arithmetic number, because the mean of its divisors is an integer number (756712726).

Almost surely, 2^1513425451 is an apocalyptic number.

1513425451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1513425451 is an equidigital number, since it uses as much as digits as its factorization.

1513425451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12000, while the sum is 31.

The square root of 1513425451 is about 38902.7691944931. The cubic root of 1513425451 is about 1148.1192828400.

The spelling of 1513425451 in words is "one billion, five hundred thirteen million, four hundred twenty-five thousand, four hundred fifty-one".