1400465461 has 2 divisors, whose sum is σ = 1400465462. Its totient is φ = 1400465460.

The previous prime is 1400465431. The next prime is 1400465483. The reversal of 1400465461 is 1645640041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 962860900 + 437604561 = 31030^2 + 20919^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400465461 - 2⁷ = 1400465333 is a prime.

It is a super-2 number, since 2×1400465461² = 3922607014907885042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400465401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700232730 + 700232731.

It is an arithmetic number, because the mean of its divisors is an integer number (700232731).

Almost surely, 2^1400465461 is an apocalyptic number.

It is an amenable number.

1400465461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400465461 is an equidigital number, since it uses as much as digits as its factorization.

1400465461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1400465461 is about 37422.7933350786. The cubic root of 1400465461 is about 1118.8129059808.

The spelling of 1400465461 in words is "one billion, four hundred million, four hundred sixty-five thousand, four hundred sixty-one".