2345204531 has 2 divisors, whose sum is σ = 2345204532. Its totient is φ = 2345204530.

The previous prime is 2345204527. The next prime is 2345204539. The reversal of 2345204531 is 1354025432.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2345204531 - 2² = 2345204527 is a prime.

It is a super-2 number, since 2×2345204531² = 10999968584445859922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2345204494 and 2345204503.

It is not a weakly prime, because it can be changed into another prime (2345204539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1172602265 + 1172602266.

It is an arithmetic number, because the mean of its divisors is an integer number (1172602266).

Almost surely, 2^2345204531 is an apocalyptic number.

2345204531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2345204531 is an equidigital number, since it uses as much as digits as its factorization.

2345204531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 2345204531 is about 48427.3118291734. The cubic root of 2345204531 is about 1328.5979404016.

Adding to 2345204531 its reverse (1354025432), we get a palindrome (3699229963).

The spelling of 2345204531 in words is "two billion, three hundred forty-five million, two hundred four thousand, five hundred thirty-one".