2612251945 has 16 divisors (see below), whose sum is σ = 3219854400. Its totient is φ = 2033786304.

The previous prime is 2612251903. The next prime is 2612251987. The reversal of 2612251945 is 5491522162.

It is an interprime number because it is at equal distance from previous prime (2612251903) and next prime (2612251987).

It is a cyclic number.

It is not a de Polignac number, because 2612251945 - 2¹¹ = 2612249897 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19170 + ... + 74779.

It is an arithmetic number, because the mean of its divisors is an integer number (201240900).

Almost surely, 2^2612251945 is an apocalyptic number.

It is an amenable number.

2612251945 is a deficient number, since it is larger than the sum of its proper divisors (607602455).

2612251945 is an equidigital number, since it uses as much as digits as its factorization.

2612251945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94104.

The product of its digits is 43200, while the sum is 37.

The square root of 2612251945 is about 51110.1941397213. The cubic root of 2612251945 is about 1377.2253893999.

The spelling of 2612251945 in words is "two billion, six hundred twelve million, two hundred fifty-one thousand, nine hundred forty-five".