1352631397 has 8 divisors (see below), whose sum is σ = 1457361920. Its totient is φ = 1247998320.

The previous prime is 1352631359. The next prime is 1352631419. The reversal of 1352631397 is 7931362531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1352631397 - 2¹⁵ = 1352598629 is a prime.

It is a super-2 number, since 2×1352631397² = 3659223392300343218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1352631307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5872 + ... + 52342.

It is an arithmetic number, because the mean of its divisors is an integer number (182170240).

Almost surely, 2^1352631397 is an apocalyptic number.

It is an amenable number.

1352631397 is a deficient number, since it is larger than the sum of its proper divisors (104730523).

1352631397 is a wasteful number, since it uses less digits than its factorization.

1352631397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48723.

The product of its digits is 102060, while the sum is 40.

The square root of 1352631397 is about 36778.1374868277. The cubic root of 1352631397 is about 1105.9270686801.

The spelling of 1352631397 in words is "one billion, three hundred fifty-two million, six hundred thirty-one thousand, three hundred ninety-seven".