1352225731 has 2 divisors, whose sum is σ = 1352225732. Its totient is φ = 1352225730.

The previous prime is 1352225723. The next prime is 1352225737. The reversal of 1352225731 is 1375222531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1352225731 - 2³ = 1352225723 is a prime.

It is a super-2 number, since 2×1352225731² = 3657028855156968722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1352225693 and 1352225702.

It is not a weakly prime, because it can be changed into another prime (1352225737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676112865 + 676112866.

It is an arithmetic number, because the mean of its divisors is an integer number (676112866).

Almost surely, 2^1352225731 is an apocalyptic number.

1352225731 is a deficient number, since it is larger than the sum of its proper divisors (1).

1352225731 is an equidigital number, since it uses as much as digits as its factorization.

1352225731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 31.

The square root of 1352225731 is about 36772.6220305270. The cubic root of 1352225731 is about 1105.8164985552.

The spelling of 1352225731 in words is "one billion, three hundred fifty-two million, two hundred twenty-five thousand, seven hundred thirty-one".