325697157619 has 2 divisors, whose sum is σ = 325697157620. Its totient is φ = 325697157618.

The previous prime is 325697157589. The next prime is 325697157631. The reversal of 325697157619 is 916751796523.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 325697157619 - 2¹⁷ = 325697026547 is a prime.

It is a super-2 number, since 2×325697157619² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (325697157689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162848578809 + 162848578810.

It is an arithmetic number, because the mean of its divisors is an integer number (162848578810).

Almost surely, 2^325697157619 is an apocalyptic number.

325697157619 is a deficient number, since it is larger than the sum of its proper divisors (1).

325697157619 is an equidigital number, since it uses as much as digits as its factorization.

325697157619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21432600, while the sum is 61.

The spelling of 325697157619 in words is "three hundred twenty-five billion, six hundred ninety-seven million, one hundred fifty-seven thousand, six hundred nineteen".